OFFSET
0,4
COMMENTS
Number of partitions of n into parts 1, 3, 4 and 9. - Ilya Gutkovskiy, May 14 2017
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..1000
Index entries for linear recurrences with constant coefficients, signature (1,0,1,0,-1,0,-1,1,1,-1,0,-1,0,1,0,1,-1).
MATHEMATICA
(* From Harvey P. Dale, Jun 06 2017: (Start) *)
CoefficientList[Series[1/((1-x)(1-x^3)(1-x^4)(1-x^9)), {x, 0, 60}], x]
LinearRecurrence[{1, 0, 1, 0, -1, 0, -1, 1, 1, -1, 0, -1, 0, 1, 0, 1, -1}, {1, 1, 1, 2, 3, 3, 4, 5, 6, 8, 9, 10, 13, 15, 16, 19, 22}, 60] (* End *)
PROG
(Magma) m:=70; R<x>:=PowerSeriesRing(Integers(), m); Coefficients(R!(1/((1-x)*(1-x^3)*(1-x^4)*(1-x^9)))); // Vincenzo Librandi, Jun 07 2017
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved