A028133 Expansion of 1/((1-4x)(1-6x)(1-7x)(1-11x)).

1, 28, 503, 7418, 98169, 1217136, 14481211, 167749366, 1909343117, 21481183724, 239821188399, 2663810246994, 29488849731745, 325724954017192, 3592642298586467, 39588148322702702, 435961667557278453

Offset

0,2

Links

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

Index entries for linear recurrences with constant coefficients, signature (28, -281, 1202, -1848).

Formula

a(n)=(3*11^(n+3)-5*7^(n+4)+7*6^(n+4)-10*4^(n+3))/420. [Yahia Kahloune, Jun 02 2013]

Crossrefs

Sequence in context: A028136 A028090 A028124 * A042516 A028083 A028122

Adjacent sequences: A028130 A028131 A028132 * A028134 A028135 A028136

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved