E.g.f. A(x) satisfies A(x) = exp( x*A(x)*(A(x) + A(-x))/2 ).

A385690

E.g.f. A(x) satisfies A(x) = exp( x*A(x)*(A(x) + A(-x))/2 ).

Terms

    a(0) =1a(1) =1a(2) =3a(3) =25a(4) =233a(5) =3901a(6) =62707a(7) =1591493a(8) =36539953a(9) =1246111705a(10) =37259797091

External references