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

A381304

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

Terms

    a(0) =1a(1) =1a(2) =2a(3) =7a(4) =36a(5) =241a(6) =1984a(7) =19461a(8) =222080a(9) =2892361a(10) =42350976a(11) =688911763a(12) =12329035264a(13) =240789209025

External references