Expansion of e.g.f. 1 / (1 - x^5 * exp(x) / 5!).

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =6a(7) =21a(8) =56a(9) =126a(10) =504a(11) =6006a(12) =67320a(13) =577863a(14) =4038034a(15) =24975951a(16) =165481680a(17) =1553590220a(18) =19495772856a(19) =249507077436