A028114 Expansion of 1/((1-4x)(1-5x)(1-6x)(1-12x)).

1, 27, 475, 6975, 93451, 1191447, 14779315, 180568575, 2187814651, 26388443367, 317513959555, 3815510712975, 45819341339851, 550037207863287, 6601706608906195, 79228188287078175, 950785259085745051

Offset

0,2

Links

Table of n, a(n) for n=0..16.

Index entries for linear recurrences with constant coefficients, signature (27, -254, 1008, -1440).

Formula

a(n)=(12^(n+3)-28*6^(n+3)+48*5^(n+3)-21*4^(n+3))/336. [Yahia Kahloune, Jun 11 2013]

Crossrefs

Sequence in context: A028006 A028066 A026795 * A026727 A028048 A028063

Adjacent sequences: A028111 A028112 A028113 * A028115 A028116 A028117

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved