A029121 Expansion of 1/((1-x)(1-x^7)(1-x^9)(1-x^10)).

1, 1, 1, 1, 1, 1, 1, 2, 2, 3, 4, 4, 4, 4, 5, 5, 6, 7, 8, 9, 10, 11, 11, 12, 13, 14, 15, 17, 19, 20, 22, 23, 24, 25, 27, 29, 31, 34, 36, 38, 40, 42, 44, 46, 49, 52, 55, 58, 61, 64, 67, 70, 73, 76, 80, 84, 88, 92, 96, 100, 104

Offset

0,8

Links

Table of n, a(n) for n=0..60.

Index entries for linear recurrences with constant coefficients, signature (1,0,0,0,0,0,1,-1,1,0,-1,0,0,0,0,-1,0,1,-1,1,0,0,0,0,0,1,-1).

Mathematica

CoefficientList[Series[1/((1-x)(1-x^7)(1-x^9)(1-x^10)), {x, 0, 60}], x] (* Harvey P. Dale, Jul 19 2012 *)

Prog

(PARI) Vec(1/((1-x)*(1-x^7)*(1-x^9)*(1-x^10)) + O(x^99)) \\ Jinyuan Wang, Mar 18 2020

Crossrefs

Sequence in context: A363069 A003002 A087180 * A161205 A340619 A334800

Adjacent sequences: A029118 A029119 A029120 * A029122 A029123 A029124

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved