A029389 Expansion of 1/((1-x^5)*(1-x^6)*(1-x^9)*(1-x^12)).

1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 2, 0, 1, 2, 1, 2, 3, 1, 2, 3, 2, 3, 5, 2, 3, 5, 3, 5, 7, 3, 5, 7, 5, 7, 10, 5, 7, 10, 7, 10, 13, 7, 10, 14, 10, 13, 17, 10, 14, 18, 13, 17, 22, 14, 18, 23, 17, 22, 28, 18, 23, 29, 22, 28, 34, 23

Offset

0,13

Links

Table of n, a(n) for n=0..67.

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

Mathematica

CoefficientList[Series[1/((1-x^5)(1-x^6)(1-x^9)(1-x^12)), {x, 0, 70}], x] (* or *) LinearRecurrence[{0, 0, 0, 0, 1, 1, 0, 0, 1, 0, -1, 1, 0, -1, -1, 0, -1, -1, 0, 1, -1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, -1}, {1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 2, 0, 1, 2, 1, 2, 3, 1, 2, 3, 2, 3, 5, 2, 3, 5, 3, 5, 7, 3}, 70] (* Harvey P. Dale, May 06 2018 *)

Prog

(PARI) Vec(1/((1-x^5)*(1-x^6)*(1-x^9)*(1-x^12)) + O(x^80)) \\ Jinyuan Wang, Feb 28 2020

Crossrefs

Sequence in context: A247918 A237203 A339444 * A025835 A029277 A077905

Adjacent sequences: A029386 A029387 A029388 * A029390 A029391 A029392

Keyword

nonn

Author

N. J. A. Sloane

Status

approved