A025949 Expansion of 1/((1-2x)(1-3x)(1-8x)(1-10x)).

1, 23, 353, 4579, 54393, 613419, 6692161, 71391683, 749696585, 7783261915, 80123162769, 819556503987, 8342165636377, 84594465902411, 855327149649377, 8628331464477091, 86883794517646569, 873641784546629307

Offset

0,2

Links

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

Index entries for linear recurrences with constant coefficients, signature (23, -176, 508, -480).

Formula

a(n) = -2^n/6 +27*3^n/35 -128*8^n/15 +125*10^n/14. - R. J. Mathar, Jun 20 2013

Crossrefs

Sequence in context: A028030 A022454 A142617 * A025969 A020579 A021914

Adjacent sequences: A025946 A025947 A025948 * A025950 A025951 A025952

Keyword

nonn,easy

Author

N. J. A. Sloane.

Status

approved