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Search: id:A115129
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A115129 Partial sums of A005587. Fourth column of triangle A115127. +0
3
14, 56, 146, 311, 586, 1015, 1652, 2562, 3822, 5522, 7766, 10673, 14378, 19033, 24808, 31892, 40494, 50844, 63194, 77819, 95018, 115115, 138460, 165430, 196430, 231894, 272286, 318101, 369866, 428141, 493520, 566632, 648142, 738752, 839202 (list; graph; listen)
OFFSET

0,1

FORMULA

G.f.: (14 - 28*x + 20*x^2 - 5*x^3)/(1 - x)^6.

a(n)=A115127(n+4, 4), n>=1.

CROSSREFS

Cf. A024191 (third column of A115127).

Sequence in context: A140784 A022285 A100157 this_sequence A067326 A041374 A070741

Adjacent sequences: A115126 A115127 A115128 this_sequence A115130 A115131 A115132

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang (wolfdieter.lang_AT_physik_DOT_uni-karlsruhe_DOT_de), Jan 13 2006

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.


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