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Search: id:A001094
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A001094 n + n(n-1)(n-2)(n-3). +0
2
0, 1, 2, 3, 28, 125, 366, 847, 1688, 3033, 5050, 7931, 11892, 17173, 24038, 32775, 43696, 57137, 73458, 93043, 116300, 143661, 175582, 212543, 255048, 303625, 358826, 421227, 491428, 570053, 657750, 755191, 863072, 982113, 1113058 (list; graph; listen)
OFFSET

0,3

FORMULA

G.f.:(-x*(23*x^3+3*x^2-3*x+1))/(x-1)^5 [From Maksym Voznyy (voznyy(AT)mail.ru), Jul 26 2009]

CROSSREFS

Sequence in context: A037423 A009249 A012697 this_sequence A052848 A126266 A003017

Adjacent sequences: A001091 A001092 A001093 this_sequence A001095 A001096 A001097

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Ray Wills [ rwills(AT)vmprofs.estec.esa.nl ]

EXTENSIONS

More terms from James A. Sellers (sellersj(AT)math.psu.edu), Sep 19 2000

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Last modified November 27 14:17 EST 2009. Contains 167569 sequences.


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