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Search: subway
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| A000053 |
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Local stops on New York City Broadway line subway. |
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+20
7
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| 14, 18, 23, 28, 34, 42, 50, 59, 66, 72, 79, 86, 96, 103, 110, 116, 125, 137, 145, 157, 168, 181, 191, 207, 215, 225, 231, 238, 242
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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These are the numbered stops for the #9 train, as of Feb. 2000.
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REFERENCES
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Volume 2, page 112, exercise 2, of John L. Casti's Reality Rules: Picturing the World in Mathematics (Wiley, 1992).
James Gleick, Faster, Vintage Books, NY, 2000 (see pp. 259-261).
"The [Subway] Map," Metropolitan Transportation Authority, 2007
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LINKS
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James Gleick, In a `random world', he collects patterns, New York Times, Tuesday, January 27, 1987, front page of Science Tuesday section.
Map, schedule, etc.
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CROSSREFS
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Cf. A000054 A001049 A007826.
Sequence in context: A111205 A097324 A051419 this_sequence A079349 A154864 A065343
Adjacent sequences: A000050 A000051 A000052 this_sequence A000054 A000055 A000056
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KEYWORD
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nonn,fini,full
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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| A001049 |
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Numbered stops in Manhattan on the Lexington Avenue subway. |
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+20
7
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| 8, 14, 23, 28, 33, 42, 51, 59, 68, 77, 86, 96, 103, 110, 116, 125
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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These are the numbered stops for the #6 train.
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REFERENCES
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An Adventurer's Guide to Number Theory by R. Friedberg, 1968, McGraw-Hill, p. 30 (corrected).
NYC Transit, NYC Subway Map, 2005.
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LINKS
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Map, schedule, etc.
NYC Transit
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CROSSREFS
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Cf. A000053 A000054 A007826.
Sequence in context: A108058 A063216 A100315 this_sequence A134445 A100508 A053668
Adjacent sequences: A001046 A001047 A001048 this_sequence A001050 A001051 A001052
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KEYWORD
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nonn,fini,full
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AUTHOR
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Howard Givner (HOGBC(AT)CUNYVM.CUNY.EDU)
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EXTENSIONS
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Additional comments from Nyck Byrd (nyc10024(AT)lycos.com), Dec 25 2005
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| A000054 |
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Local stops on New York City A line subway. |
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+20
5
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| 4, 14, 23, 34, 42, 50, 59, 72, 81, 86, 96, 103, 110, 116, 125, 135, 145, 155, 163, 168, 175, 181, 190, 200, 207
(list; graph; listen)
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| A007826 |
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Philadelphia Market-Frankford subway stops. |
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+20
5
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| 2, 5, 8, 11, 13, 15, 30, 34, 40, 46, 52, 56, 60, 63, 69
(list; graph; listen)
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OFFSET
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1,1
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FORMULA
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a(n) = 2 + 3 n - binomial(n, 4) + 3 binomial(n, 5) + 7 binomial(n, 6) - 66 binomial(n, 7) + 248 binomial(n, 8) - 679 binomial(n, 9) + 1554 binomial(n, 10) - 3158 binomial(n, 11) + 5897 binomial(n, 12) - 10352 binomial(n, 13) + 17384 binomial(n, 14)
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CROSSREFS
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Cf. A000053, A000054, A001049.
Sequence in context: A083422 A167409 A082406 this_sequence A108589 A093609 A140101
Adjacent sequences: A007823 A007824 A007825 this_sequence A007827 A007828 A007829
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KEYWORD
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nonn,fini,full
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
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"Milbourne" actually comes between 63 and 69.
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