Expansion of (1/x) * Series_Reversion( x / ((1+x)^3 * B(x)) ), where B(x) is the g.f. of A001764.
A381907
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) =25a(3) =197a(4) =1783a(5) =17646a(6) =185622a(7) =2039617a(8) =23149542a(9) =269367631a(10) =3196544816a(11) =38539697456a(12) =470773651286
External references
- oeis: A381907