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A064057 Eighth column of quintinomial coefficients. +0
2
2, 18, 80, 255, 666, 1520, 3144, 6030, 10890, 18722, 30888, 49205, 76050, 114480, 168368, 242556, 343026, 477090, 653600, 883179, 1178474, 1554432, 2028600, 2621450, 3356730, 4261842, 5368248 (list; graph; listen)
OFFSET

0,1

FORMULA

a(n)= A035343(n+2, 7)= binomial(n+3, 3)*(n+14)*(n^3+15*n^2+116*n+120)/(7!/3!).

G.f.: (2+2*x-8*x^2+7*x^3-2*x^4 )/(1-x)^8; numerator polynomial is N5(7, x) from the array A063422.

CROSSREFS

A064056 (seventh column).

Sequence in context: A034473 A024171 A056664 this_sequence A091940 A068605 A070171

Adjacent sequences: A064054 A064055 A064056 this_sequence A064058 A064059 A064060

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Aug 29 2001

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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