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Search: id:A029638
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| A029638 |
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Numbers in the (1,2)-Pascal triangle A029635 that are different from 1. |
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+0
2
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| 2, 3, 2, 4, 5, 2, 5, 9, 7, 2, 6, 14, 16, 9, 2, 7, 20, 30, 25, 11, 2, 8, 27, 50, 55, 36, 13, 2, 9, 35, 77, 105, 91, 49, 15, 2, 10, 44, 112, 182, 196, 140, 64, 17, 2, 11, 54, 156, 294, 378, 336, 204, 81, 19, 2, 12, 65, 210, 450, 672, 714, 540, 285, 100, 21, 2, 13, 77, 275, 660, 1122
(list; table; graph; listen)
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OFFSET
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1,1
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REFERENCES
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D. M. Bressoud, Proofs and Confirmations, Camb. Univ. Press, 1999; triangle on page 6, denominators.
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LINKS
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Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.
D. Zeilberger, Dave Robbins's Art of Guessing, Adv. in Appl. Math. 34 (2005), 939-954.
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EXAMPLE
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Triangle begins:
2,
3,2,
4,5,2,
5,9,7,2,
6,14,16,9,2,
7,20,30,25,11,2,
...
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CROSSREFS
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Cf. A048601, A029656.
Sequence in context: A121998 A120499 A027749 this_sequence A136181 A003976 A026358
Adjacent sequences: A029635 A029636 A029637 this_sequence A029639 A029640 A029641
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KEYWORD
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nonn,tabl,frac
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AUTHOR
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Mohammad K. Azarian (ma3(AT)evansville.edu)
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EXTENSIONS
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More terms from David W. Wilson (davidwwilson(AT)comcast.net)
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