E.g.f. A(x) satisfies A(x) = sqrt( 1 + 2*x*exp(x)*A(x) ).

A380050

E.g.f. A(x) satisfies A(x) = sqrt( 1 + 2*x*exp(x)*A(x) ).

Terms

    a(0) =1a(1) =1a(2) =3a(3) =9a(4) =25a(5) =25a(6) =-429a(7) =-4151a(8) =-8175a(9) =320625a(10) =5241475a(11) =23329801a(12) =-705579159a(13) =-18521117303a(14) =-150119840493

External references