A025994 Expansion of 1/((1-2x)(1-5x)(1-7x)(1-10x)).

1, 24, 377, 4932, 58485, 654192, 7053313, 74243004, 769050029, 7880095080, 80144389689, 810929347956, 8176098535333, 82230655243488, 825604414181105, 8279180036642988, 82954005943360797, 830676770037792216

Offset

0,2

Links

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

Index entries for linear recurrences with constant coefficients, signature (24, -199, 660, -700).

Formula

a(n) = -2^n/15 +25*5^n/6 -343*7^n/30 +25*10^n/3. R. J. Mathar, Jun 20 2013

Crossrefs

Sequence in context: A028056 A025997 A028040 * A004335 A023954 A028036

Adjacent sequences: A025991 A025992 A025993 * A025995 A025996 A025997

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved