A025934 Expansion of 1/((1-2x)(1-3x)(1-5x)(1-10x)).

1, 20, 269, 3100, 33261, 344580, 3507709, 35392940, 355527821, 3563328340, 35673709149, 356939747580, 3570412342381, 35709202523300, 357117435046589, 3571301442515020, 35713650014404941, 357139678477481460

Offset

0,2

Links

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

Index entries for linear recurrences with constant coefficients, signature (20,-131,340,-300).

Formula

a(n) = (3*10^(n+3) - 28*5^(n+3) + 60*3^(n+3) - 35*2^(n+3))/840. - Yahia Kahloune, May 22 2013

Crossrefs

Sequence in context: A021824 A125455 A019928 * A283517 A180799 A021594

Adjacent sequences: A025931 A025932 A025933 * A025935 A025936 A025937

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved