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

A381382

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

Terms

    a(0) =1a(1) =1a(2) =2a(3) =7a(4) =48a(5) =541a(6) =7600a(7) =120891a(8) =2178176a(9) =45053401a(10) =1065957888a(11) =28344376303a(12) =831973593088

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