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A063263 Ninth column (k=8) of sextinomial array A063260. 1
3, 27, 125, 420, 1161, 2807, 6147, 12465, 23760, 43032, 74646, 124787, 202020, 317970, 488138, 732870, 1078497, 1558665, 2215875, 3103254, 4286579, 5846577, 7881525, 10510175, 13875030, 18145998, 23524452 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

FORMULA

a(n)= A063260(n+2, 8)= (n+1)*(n+2)*(n+3)*(n^5+38*n^4+587*n^3+4678*n^2+19896*n+20160)/8!.

G.f.: (3-10*x^2+15*x^3-9*x^4+2*x^5)/(1-x)^9; the numerator polynomial is N6(8, x) from row n=8 of array A063261.

CROSSREFS

A063262.

Sequence in context: A195799 A127210 A161807 * A204809 A034200 A080424

Adjacent sequences:  A063260 A063261 A063262 * A063264 A063265 A063266

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Jul 24 2001

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Last modified February 15 09:54 EST 2012. Contains 205763 sequences.