G.f.: A(x) = (1/x)*series_reversion(x^2/G(x)) where G(x) is the g.f. of A030266, which shifts left under self-COMPOSE.
A125279
G.f.: A(x) = (1/x)*series_reversion(x^2/G(x)) where G(x) is the g.f. of A030266, which shifts left under self-COMPOSE.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =13a(4) =68a(5) =400a(6) =2555a(7) =17375a(8) =124280a(9) =927711a(10) =7189102a(11) =57627044a(12) =476645965a(13) =4061184195a(14) =35604795538a(15) =320957712849
External references
- oeis: A125279