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A022111 Expansion of 1/((1-x)(1-5x)(1-6x)(1-8x)). 0
1, 20, 263, 2878, 28449, 264048, 2350651, 20332466, 172311557, 1438844836, 11885079999, 97387603014, 793247778025, 6432389826584, 51985193621507, 419076145997722, 3371967484999053, 27092843456412492 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

LINKS

Index to sequences with linear recurrences with constant coefficients, signature (20,-137,358,-240)

FORMULA

a(n) = 256*8^n/21 -108*6^n/5 + 125*5^n/12 -1/140. - R. J. Mathar, Mar 11 2011

CROSSREFS

Sequence in context: A081244 A025966 A041764 * A025943 A025961 A021854

Adjacent sequences:  A022108 A022109 A022110 * A022112 A022113 A022114

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 14 15:39 EST 2012. Contains 205635 sequences.