E.g.f. A(x) satisfies A(x) = 1/( 1 - sinh(x * A(x)^2) ).

A381386

E.g.f. A(x) satisfies A(x) = 1/( 1 - sinh(x * A(x)^2) ).

Terms

    a(0) =1a(1) =1a(2) =6a(3) =73a(4) =1360a(5) =34321a(6) =1095584a(7) =42350673a(8) =1923628032a(9) =100430070721

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