A028179 Expansion of 1/((1-5x)(1-6x)(1-11x)(1-12x)).

1, 34, 741, 13226, 211037, 3139050, 44543077, 611425162, 8191217133, 107740573226, 1397106491573, 17913626282058, 227607187590589, 2870438906000362, 35976385743457029, 448561605029480714, 5568050161261720205, 68855119590387513258, 848685719578619420245

Offset

0,2

Links

Table of n, a(n) for n=0..18.

Index entries for linear recurrences with constant coefficients, signature (34,-415,2142,-3960).

Formula

a(n) = (5*12^(n+3)-7*11^(n+3)+7*6^(n+3)-5^(n+4))/210. - Yahia Kahloune, May 29 2013

Mathematica

CoefficientList[Series[1/((1-5x)(1-6x)(1-11x)(1-12x)), {x, 0, 20}], x] (* Harvey P. Dale, Jul 11 2020 *)

Crossrefs

Sequence in context: A028188 A295780 A028159 * A028154 A028106 A028104

Adjacent sequences: A028176 A028177 A028178 * A028180 A028181 A028182

Keyword

nonn,easy

Author

N. J. A. Sloane.

Status

approved