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A026795 Expansion of 1/((1-2x)(1-6x)(1-9x)(1-10x)). 0
1, 27, 475, 6915, 90571, 1110147, 13011355, 147722355, 1638222091, 17846324067, 191730867835, 2037261517395, 21455455896811, 224319716510787, 2331201129229915, 24104752246858035, 248186422724438731 (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^n/28 +9*6^n/2 -243*9^n/7 +125*10^n/4. R. J. Mathar, Jun 23 2013

CROSSREFS

Sequence in context: A028077 A028006 A028066 * A028114 A026727 A028048

Adjacent sequences:  A026792 A026793 A026794 * A026796 A026797 A026798

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified October 23 09:28 EDT 2019. Contains 328345 sequences. (Running on oeis4.)