A028044 Expansion of 1/((1-3x)(1-4x)(1-8x)(1-10x)).

1, 25, 407, 5501, 67239, 773589, 8559679, 92246077, 975897527, 10187458853, 105306474351, 1080536075853, 11025196931815, 112010922356917, 1134181907272223, 11454404794267229, 115444750765761303

Offset

0,2

Links

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

Index entries for linear recurrences with constant coefficients, signature (25,-218,776,-960).

Formula

a(n)=(10^(n+4)-21*8^(n+3)+35*4^(n+3)-8*3^(n+4))/840. [Yahia Kahloune, Jun 07 2013]

Mathematica

CoefficientList[Series[1/((1-3x)(1-4x)(1-8x)(1-10x)), {x, 0, 20}], x] (* or *) LinearRecurrence[{25, -218, 776, -960}, {1, 25, 407, 5501}, 20] (* Harvey P. Dale, Oct 14 2017 *)

Crossrefs

Sequence in context: A026561 A048908 A026391 * A028057 A260953 A025998

Adjacent sequences: A028041 A028042 A028043 * A028045 A028046 A028047

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved