E.g.f. satisfies: A(x) = exp( Sum_{n>=0} a(n)*x^(2n+1)/(2n+1) ).

A138315

E.g.f. satisfies: A(x) = exp( Sum_{n>=0} a(n)*x^(2n+1)/(2n+1) ).

Terms

    a(0) =1a(1) =1a(2) =1a(3) =3a(4) =9a(5) =45a(6) =225a(7) =3015a(8) =22545a(9) =473625a(10) =4637025a(11) =191508075a(12) =2288273625a(13) =123786785925

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