Expansion of e.g.f. exp(x^4/(24 * (1 - x)^2)).

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =1a(5) =10a(6) =90a(7) =840a(8) =8435a(9) =91980a(10) =1089900a(11) =13998600a(12) =194184375a(13) =2897744850a(14) =46335539250a(15) =790936146000