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A064056 Seventh column of quintinomial coefficients. +0
2
3, 19, 68, 185, 426, 875, 1652, 2922, 4905, 7887, 12232, 18395, 26936, 38535, 54008, 74324, 100623, 134235, 176700, 229789, 295526, 376211, 474444, 593150, 735605, 905463, 1106784, 1344063, 1622260, 1946831 (list; graph; listen)
OFFSET

0,1

FORMULA

a(n)= A035343(n+2, 6)= binomial(n+2, 2)*(n^4+24*n^3+221*n^2+954*n+1080)/(6!/2!), n >= 0.

G.f.: (3-2*x-2*x^2+3*x^3-x^4)/(1-x)^7; numerator polynomial is N5(6, x) from the array A063422.

CROSSREFS

A027659 (sixth column).

Sequence in context: A114250 A071245 A091968 this_sequence A059599 A095662 A072263

Adjacent sequences: A064053 A064054 A064055 this_sequence A064057 A064058 A064059

KEYWORD

nonn,easy

AUTHOR

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

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.


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