OFFSET
0,6
COMMENTS
Number of partitions of n into parts 1, 5, 6 and 9. - Ilya Gutkovskiy, May 20 2017
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..1000
Index entries for linear recurrences with constant coefficients, signature (1, 0, 0, 0, 1, 0, -1, 0, 1, -1, -1, 1, 0, -1, 0, 1, 0, 0, 0, 1, -1).
FORMULA
G.f.: 1/((1 - x)*(1 - x^5)*(1 - x^6)*(1 - x^9)).
MATHEMATICA
CoefficientList[Series[1/((1-x)(1-x^5)(1-x^6)(1-x^9)), {x, 0, 100}], x] (* or *) LinearRecurrence[{1, 0, 0, 0, 1, 0, -1, 0, 1, -1, -1, 1, 0, -1, 0, 1, 0, 0, 0, 1, -1}, {1, 1, 1, 1, 1, 2, 3, 3, 3, 4, 5, 6, 7, 7, 8, 10, 11, 12, 14, 15, 17}, 100] (* Harvey P. Dale, Sep 27 2016 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved