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Search: id:A144516
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A144516 (15*n^2+45*n-70)*binomial(n+4,6)/8. +0
2
0, 0, 10, 175, 1225, 5565, 19425, 56595, 144375, 332475, 705705, 1401400, 2632630, 4718350, 8121750, 13498170, 21754050, 34118490, 52229100, 78233925, 114911335, 165809875, 235410175, 329311125, 454442625, 619307325, 834253875, 1111784310 (list; graph; listen)
OFFSET

0,3

FORMULA

G.f.: 5x^2(2+17x+2x^2)/(1-x)^9. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 17 2009]

MAPLE

f:=n->(15*n^2+45*n-70)*binomial(n+4, 6)/8;

CROSSREFS

A diagonal of A144385.

Sequence in context: A112703 A132676 A078516 this_sequence A053537 A049380 A057122

Adjacent sequences: A144513 A144514 A144515 this_sequence A144517 A144518 A144519

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Dec 17 2008

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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