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A025978 Expansion of 1/((1-2x)(1-4x)(1-8x)(1-11x)). 0
1, 25, 415, 5805, 74271, 902325, 10616455, 122340685, 1390355791, 15651303525, 175025553495, 1948179192765, 21613189505311, 239210965847125, 2643048211482535, 29167353171072045, 321591476229774831 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..16.

FORMULA

a(n) = -2*2^n/27 +8*4^n/7 -64*8^n/9 +1331*11^n/189. R. J. Mathar, Jun 20 2013

CROSSREFS

Sequence in context: A025995 A023955 A025980 * A028037 A102072 A022845

Adjacent sequences:  A025975 A025976 A025977 * A025979 A025980 A025981

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified May 22 09:12 EDT 2022. Contains 353941 sequences. (Running on oeis4.)