E.g.f. satisfies A(x) = sinh(x + A(x)^2).

A143137

E.g.f. satisfies A(x) = sinh(x + A(x)^2).

Terms

    a(0) =1a(1) =2a(2) =13a(3) =140a(4) =2101a(5) =40502a(6) =954073a(7) =26557400a(8) =852911401a(9) =31042592042

External references