Expansion of (1/x) * Series_Reversion( x / ((1+x)^2 * C(x)) ), where C(x) is the g.f. of A000108.
A381881
Expansion of (1/x) * Series_Reversion( x / ((1+x)^2 * C(x)) ), where C(x) is the g.f. of A000108.
Terms
- a(0) =1a(1) =3a(2) =14a(3) =82a(4) =547a(5) =3958a(6) =30249a(7) =240362a(8) =1966235a(9) =16449495a(10) =140093989a(11) =1210575512a(12) =10587490383a(13) =93540456103a(14) =833619150838
External references
- oeis: A381881