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A025973 Expansion of 1/((1-2x)(1-4x)(1-7x)(1-10x)). 0
1, 23, 349, 4443, 51597, 568155, 6054973, 63196331, 650620333, 6637326267, 67293219357, 679380276939, 6838972903309, 68706054180059, 689275354683901, 6908259384473067, 69191143298038125, 692671313513140731 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..17.

FORMULA

a(n) = (5*10^(n+3)-16*7^(n+3)+20*4^(n+3)-9*2^(n+3))/720. - Yahia Kahloune, May 23 2013

CROSSREFS

Sequence in context: A125480 A023950 A268465 * A277833 A022469 A028030

Adjacent sequences:  A025970 A025971 A025972 * A025974 A025975 A025976

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified August 12 23:52 EDT 2022. Contains 356077 sequences. (Running on oeis4.)