Expansion of e.g.f. (1 - x)^(-x^4/24).

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =5a(6) =15a(7) =70a(8) =420a(9) =3024a(10) =28350a(11) =272250a(12) =2875950a(13) =33333300a(14) =420840420a(15) =5763671550a(16) =84799915200