

A106804


G.f.: (29x4x^2)*x / [(15x+x^2)*(15xx^2)].


0



0, 2, 11, 56, 285, 1452, 7406, 37816, 193295, 989002, 5065051, 25963276, 133199780, 683904902, 3514119571, 18069536436, 92975574865, 478701242652, 2466137174466, 12711910214796, 65558648361175, 338267429484502
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OFFSET

0,2


LINKS

Table of n, a(n) for n=0..21.
Index entries for linear recurrences with constant coefficients, signature (10,25,0,1).


MATHEMATICA

M = {{0, 0, 0, 1}, {1, 5, 0, 0}, {0, 1, 0, 0}, {0, 0, 1, 5}};
v[1] = {0, 1, 1, 2}; v[n_] := v[n] = M.v[n  1]; terms = 20; a = Table[v[n][[1]], {n, 1, terms}]


CROSSREFS

Sequence in context: A212388 A198769 A037554 * A213098 A041129 A037490
Adjacent sequences: A106801 A106802 A106803 * A106805 A106806 A106807


KEYWORD

nonn


AUTHOR

Roger L. Bagula, May 30 2005


EXTENSIONS

Edited by the Associate Editors of the OEIS, Apr 09 2009
Mathematica code fixed by Olivier Gérard, Dec 13 2011


STATUS

approved



