E.g.f. satisfies: A(x) = 1/(1 - sinh(x*A(x))).

A201628

E.g.f. satisfies: A(x) = 1/(1 - sinh(x*A(x))).

Terms

    a(0) =1a(1) =1a(2) =4a(3) =31a(4) =360a(5) =5601a(6) =109568a(7) =2586151a(8) =71555200a(9) =2271961825a(10) =81441188352

External references