Expansion of e.g.f. exp(x * cosh(x)).

Terms

a(0) =1a(1) =1a(2) =1a(3) =4a(4) =13a(5) =36a(6) =181a(7) =848a(8) =3865a(9) =23824a(10) =140521a(11) =871872a(12) =6324517a(13) =44942912a(14) =344747677a(15) =2860930816a(16) =23853473329a(17) =213856723200