a(n) = A108992(n)/(n+1). A(x) = 1/x*series_reversion(x/G108996(x)) where G108996(x) is g.f. of A108996.

A108993

a(n) = A108992(n)/(n+1). A(x) = 1/x*series_reversion(x/G108996(x)) where G108996(x) is g.f. of A108996.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =19a(4) =205a(5) =3276a(6) =70852a(7) =1953715a(8) =65904057a(9) =2639266228a(10) =122677374326

External references