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A036224 Expansion of (-1+1/(1-6*x)^6)/(36*x); related to A036084. +0
4
1, 21, 336, 4536, 54432, 598752, 6158592, 60046272, 560431872, 5043886848, 44019376128, 374164697088, 3108445175808, 25311625003008, 202493000024064, 1594632375189504, 12381851383824384, 94927527275986944 (list; graph; listen)
OFFSET

0,2

FORMULA

a(n) = 6^(n-1)*binomial(n+6, 5); G.f. (-1+(1-6*x)^(-6))/(x*6^2).

CROSSREFS

A036084, A036083.

Sequence in context: A095905 A051525 A107396 this_sequence A113895 A062260 A020311

Adjacent sequences: A036221 A036222 A036223 this_sequence A036225 A036226 A036227

KEYWORD

easy,nonn

AUTHOR

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de)

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.


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