Expansion of (1/x) * Series_Reversion( x * (1-x)^3 / B(x) ), where B(x) is the g.f. of A001764.

A381913

Expansion of (1/x) * Series_Reversion( x * (1-x)^3 / B(x) ), where B(x) is the g.f. of A001764.

Terms

    a(0) =1a(1) =4a(2) =28a(3) =245a(4) =2422a(5) =25860a(6) =291106a(7) =3405405a(8) =41014131a(9) =505344113a(10) =6341182427a(11) =80768735045

External references