A025997 Expansion of 1/((1-2x)(1-5x)(1-8x)(1-9x)).

1, 24, 375, 4850, 56481, 616164, 6434155, 65146950, 644889861, 6275802104, 60272841135, 572861926650, 5399415089641, 50546032304844, 470534835243315, 4359828735795950, 40238834684119821, 370153792218396384

Offset

0,2

Links

Table of n, a(n) for n=0..17.

Index entries for linear recurrences with constant coefficients, signature (24, -201, 674, -720).

Formula

a(n) = -4*2^n/63 +125*5^n/36 -256*8^n/9 +729*9^n/28. R. J. Mathar, Jun 20 2013

Crossrefs

Sequence in context: A026326 A028043 A028056 * A028040 A025994 A004335

Adjacent sequences: A025994 A025995 A025996 * A025998 A025999 A026000

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved