A021914 Expansion of 1/((1-x)(1-4x)(1-8x)(1-10x)).

1, 23, 355, 4635, 55371, 627243, 6866155, 73433195, 772592491, 8032358763, 82776456555, 847393109355, 8630981813611, 87566313375083, 885715453576555, 8937574526027115, 90019110908986731, 905338057186084203

Offset

0,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..200

Index entries for linear recurrences with constant coefficients, signature (23,-174,472,-320).

Formula

a(n) = (14*10^(n+3)-27*8^(n+3)+21*4^(n+3)-8)/1512. - Yahia Kahloune, May 24 2013

Mathematica

CoefficientList[Series[1 / ((1 - x) (1 - 4 x) (1 - 8 x) (1 - 10 x)), {x, 0, 20}], x] (* Vincenzo Librandi, Jul 11 2013 *)
LinearRecurrence[{23, -174, 472, -320}, {1, 23, 355, 4635}, 20] (* Harvey P. Dale, Mar 16 2016 *)

Crossrefs

Sequence in context: A025949 A025969 A020579 * A022412 A025946 A118115

Adjacent sequences: A021911 A021912 A021913 * A021915 A021916 A021917

Keyword

nonn,easy

Author

N. J. A. Sloane.

Status

approved