A028062 Expansion of 1/((1-3x)(1-5x)(1-7x)(1-11x)).

1, 26, 440, 6190, 78981, 952476, 11101000, 126669380, 1426238561, 15923605126, 176828848560, 1956923483970, 21609410926741, 238289337781976, 2625298690331120, 28907173689169960, 318181508654719521

Offset

0,2

Links

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

Index entries for linear recurrences with constant coefficients, signature (26,-236,886,-1155).

Formula

a(n) = (11^(n+3)-6*7^(n+3)+8*5^(n+3)-3^(n+4))/192. - Yahia Kahloune, Jun 08 2013

a(n) = 26*a(n-1)-236*a(n-2)+886*a(n-3)-1155*a(n-4). - Wesley Ivan Hurt, May 22 2021

Mathematica

CoefficientList[Series[1/((1-3x)(1-5x)(1-7x)(1-11x)), {x, 0, 40}], x] (* Harvey P. Dale, May 04 2021 *)

Crossrefs

Sequence in context: A028065 A028113 A026562 * A028047 A042304 A026024

Adjacent sequences: A028059 A028060 A028061 * A028063 A028064 A028065

Keyword

nonn,easy

Author

N. J. A. Sloane.

Status

approved