A028068 Expansion of 1/((1-3x)(1-5x)(1-9x)(1-10x)).

1, 27, 472, 6810, 88351, 1073217, 12477502, 140675040, 1550817301, 16809628407, 179833708132, 1904095702470, 19993394169451, 208508925363597, 2162279358272362, 22317580796873100, 229429274301232801

Offset

0,2

Links

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

Index entries for linear recurrences with constant coefficients, signature (27, -257, 1005, -1350).

Formula

a(n)=(24*10^(n+3)-35*9^(n+3)+21*5^(n+3)-10*3^(n+3))/840. [Yahia Kahloune, Jun 10 2013]

Crossrefs

Sequence in context: A028121 A028080 A028118 * A028077 A028006 A028066

Adjacent sequences: A028065 A028066 A028067 * A028069 A028070 A028071

Keyword

nonn,easy

Author

N. J. A. Sloane.

Status

approved