Expansion of e.g.f. exp(x^5/120 * cosh(x)).

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =0a(7) =21a(8) =0a(9) =126a(10) =126a(11) =462a(12) =16632a(13) =1287a(14) =1009008a(15) =129129a(16) =32288256a(17) =51465596a(18) =705729024a(19) =10266163524a(20) =12407843448a(22) =618576390432