Expansion of e.g.f. exp(x) / (1 - sinh(x)).

Terms

a(0) =1a(1) =2a(2) =5a(3) =17a(4) =77a(5) =437a(6) =2975a(7) =23627a(8) =214457a(9) =2189897a(10) =24846395a(11) =310095887a(12) =4221990437a(13) =62273111357a(14) =989164604615