OFFSET
0,3
COMMENTS
Number of partitions of n into parts 1, 2, 6 and 9. - Ilya Gutkovskiy, May 14 2017
LINKS
Index entries for linear recurrences with constant coefficients, signature (1,1,-1,0,0,1,-1,-1,2,-1,-1,1,0,0,-1,1,1,-1).
MATHEMATICA
CoefficientList[Series[1/((1-x)(1-x^2)(1-x^6)(1-x^9)), {x, 0, 80}], x] (* Harvey P. Dale, Jan 15 2021 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved