A028087 Expansion of 1/((1-3x)(1-6x)(1-10x)(1-12x)).

1, 31, 625, 10435, 157081, 2218891, 30058465, 395576995, 5099030761, 64729573051, 812287789105, 10103508011155, 124806994586041, 1533359039348011, 18757216238876545, 228656612889142915

Offset

0,2

Links

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

Index entries for linear recurrences with constant coefficients, signature (31, -336, 1476, -2160).

Formula

a(n)=(14*12^(n+3)-27*10^(n+3)+21*6^(n+3)-8*3^(n+3))/1512. [Yahia Kahloune, Jun 10 2013]

Crossrefs

Sequence in context: A028095 A028128 A028018 * A028017 A028013 A028073

Adjacent sequences: A028084 A028085 A028086 * A028088 A028089 A028090

Keyword

nonn,easy

Author

N. J. A. Sloane.

Status

approved