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Search: id:A060183
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| A060183 |
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a(0)=1, a(n)=100 * a(n-1) + 36 * n - 128. |
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+0
1
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| 1, 8, 744, 74380, 7438016, 743801652, 74380165288, 7438016528924, 743801652892560, 74380165289256196, 7438016528925619832, 743801652892561983468, 74380165289256198347104
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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The square roots of these numbers have some interesting properties, e.g. sqrt(a(8))= 2.7272727272727236363636363636339393939393939361616161616...
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LINKS
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Harry J. Smith, Table of n, a(n) for n=0,...,100
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FORMULA
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a(n) = 9/121*100^n+112/121-4/11*n. - Robert Israel.
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MAPLE
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a := proc(n) option remember: if n=0 then RETURN(1) fi: 100 * a(n-1) + 36 * n - 128 end: for n from 0 to 30 do printf(`%d, `, a(n)) od:
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PROGRAM
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(PARI) { for (n=0, 100, if (n==0, a=1, a=100*a + 36*n - 128); write("b060183.txt", n, " ", a); ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jul 02 2009]
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CROSSREFS
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Sequence in context: A144230 A110039 A058921 this_sequence A145415 A001547 A054945
Adjacent sequences: A060180 A060181 A060182 this_sequence A060184 A060185 A060186
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KEYWORD
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nonn
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AUTHOR
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Jason Earls (zevi_35711(AT)yahoo.com), Mar 19 2001
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EXTENSIONS
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More terms from James A. Sellers (sellersj(AT)math.psu.edu), Mar 26 2001
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