Expansion of e.g.f. 1 / ( 1 - Sum_{k>=0} x^(4*k+5) / (4*k+5)! ).

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =0a(7) =0a(8) =0a(9) =1a(10) =252a(11) =0a(12) =0a(13) =1a(14) =4004a(15) =756756a(16) =0a(17) =1a(18) =65756a(19) =69837768a(20) =11732745024a(21) =1a(22) =1047508a(23) =5772957036a(26) =16781260a(27) =475191562560