A028073 Expansion of 1/((1-3x)(1-5x)(1-11x)(1-12x)).

1, 31, 630, 10670, 163691, 2363901, 32800480, 442568140, 5850370581, 76144382171, 979096198730, 12468275928810, 157530257684671, 1977386553510841, 24685911967987380, 306761026472700680

Offset

0,2

Links

Table of n, a(n) for n=0..15.

Index entries for linear recurrences with constant coefficients, signature (31, -331, 1401, -1980).

Formula

a(n)=(16*12^(n+3)-21*11^(n+3)+12*5^(n+3)-7*3^(n+3))/1008. [Yahia Kahloune, Jun 10 2013]

Crossrefs

Sequence in context: A028087 A028017 A028013 * A089758 A078891 A078914

Adjacent sequences: A028070 A028071 A028072 * A028074 A028075 A028076

Keyword

nonn,easy

Author

N. J. A. Sloane.

Status

approved