A028113 Expansion of 1/((1-4x)(1-5x)(1-6x)(1-11x)).

1, 26, 437, 6082, 76653, 913218, 10527349, 119017634, 1330185725, 14766710530, 163286454981, 1801494203106, 19849649018317, 218551250986562, 2405323875398933, 26466271609592098, 291175987346320029

Offset

0,2

Links

Harvey P. Dale, Table of n, a(n) for n = 0..959

Index entries for linear recurrences with constant coefficients, signature (26, -239, 934, -1320).

Formula

a(n)=(11^(n+3)-21*6^(n+3)+7*5^(n+4)-15*4^(n+3))/210. [Yahia Kahloune, Jun 11 2013]

Mathematica

CoefficientList[Series[1/((1-4x)(1-5x)(1-6x)(1-11x)), {x, 0, 20}], x] (* or *) LinearRecurrence[ {26, -239, 934, -1320}, {1, 26, 437, 6082}, 20] (* Harvey P. Dale, Aug 31 2024 *)

Crossrefs

Sequence in context: A028076 A028005 A028065 * A026562 A028062 A028047

Adjacent sequences: A028110 A028111 A028112 * A028114 A028115 A028116

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved