OFFSET
0,5
COMMENTS
Number of partitions of n into parts 1, 4, 7 and 12. - Ilya Gutkovskiy, May 18 2017
LINKS
Harvey P. Dale, Table of n, a(n) for n = 0..1000
Index entries for linear recurrences with constant coefficients, signature (1,0,0,1,-1,0,1,-1,0,0,-1,2,-1,0,0,-1,1,0,-1,1,0,0,1,-1).
MATHEMATICA
CoefficientList[Series[1/((1-x)(1-x^4)(1-x^7)(1-x^12)), {x, 0, 80}], x] (* or *) LinearRecurrence[{1, 0, 0, 1, -1, 0, 1, -1, 0, 0, -1, 2, -1, 0, 0, -1, 1, 0, -1, 1, 0, 0, 1, -1}, {1, 1, 1, 1, 2, 2, 2, 3, 4, 4, 4, 5, 7, 7, 8, 9, 11, 11, 12, 14, 16, 17, 18, 20}, 80] (* Harvey P. Dale, Jun 08 2019 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved