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A021664 Expansion of 1/((1-x)(1-3x)(1-8x)(1-11x)). 3
1, 23, 362, 4894, 61251, 733461, 8546764, 97847228, 1106991941, 12422320339, 138608884206, 1540404875802, 17070111627271, 188776494239057, 2084583574516688, 22994756444303416, 253457017948866441 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

LINKS

Index to sequences with linear recurrences with constant coefficients, signature (23,-167,409,-264)

FORMULA

a(n) = 3^(n+3)/80 -1/140 +11^(n+3)/240 -8^(n+3)/105. - R. J. Mathar, Mar 15 2011

CROSSREFS

Sequence in context: A077515 A025942 A020000 * A202666 A019682 A021844

Adjacent sequences:  A021661 A021662 A021663 * A021665 A021666 A021667

KEYWORD

nonn

AUTHOR

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

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Last modified February 13 12:30 EST 2012. Contains 205469 sequences.