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Search: id:A053112
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A053112 Expansion of (-1+1/(1-9*x)^9)/(81*x); related to A053108. +0
4
1, 45, 1485, 40095, 938223, 19702683, 379980315, 6839645670, 116273976390, 1883638417518, 29282015399598, 439230230993970, 6385731819835410, 90312492880529370, 1246312401751305306, 16825217423642621631 (list; graph; listen)
OFFSET

0,2

FORMULA

G.f.: (-1+1/(1-9x)^9)/(81x). a(n)=9^(n-1)binomial(n+9, 8).

CROSSREFS

A053108, A053110-A053113.

Without signs: A078812. With zeros: A049310. Cf. A008310 (T(n, x)), A008312 (U(n, x)).

Sequence in context: A137716 A035521 A107399 this_sequence A014940 A049397 A143170

Adjacent sequences: A053109 A053110 A053111 this_sequence A053113 A053114 A053115

KEYWORD

easy,nonn

AUTHOR

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

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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