A106850 Expansion of 3*x^2*(2*x^2+9*x-2)/((3*x^2-5*x+1)*(3*x^2+5*x-1)).

0, 6, 33, 174, 915, 4854, 25962, 139836, 757545, 4123236, 22527393, 123451554, 678148620, 3732306474, 20572095777, 113524359906, 627044542215, 3465927182766, 19168307134278, 106056611012784, 587001832650825

Offset

1,2

Links

Table of n, a(n) for n=1..21.

Index entries for linear recurrences with constant coefficients, signature (10,-25,0,9).

Formula

G.f.: 3*x^2*(2*x^2+9*x-2)/((3*x^2-5*x+1)*(3*x^2+5*x-1)). [Colin Barker, Sep 03 2012]

Mathematica

LinearRecurrence[{10, -25, 0, 9}, {0, 6, 33, 174}, 30] (* Harvey P. Dale, Jan 17 2015 *)

Crossrefs

Sequence in context: A086314 A086091 A081893 * A284076 A094165 A111994

Adjacent sequences: A106847 A106848 A106849 * A106851 A106852 A106853

Keyword

nonn,easy

Author

Roger L. Bagula, May 30 2005

Extensions

Edited by Associate Editors of the OEIS, Apr 06 2009

Meaningful name from Joerg Arndt, Dec 26 2022

Status

approved