G.f. A(x) satisfies: A(x) = x + x^2 * exp( Sum_{k>=1} (-1)^(k+1) * A(x^k)^3 / (k*x^(2*k)) ).
A363467
G.f. A(x) satisfies: A(x) = x + x^2 * exp( Sum_{k>=1} (-1)^(k+1) * A(x^k)^3 / (k*x^(2*k)) ).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =3a(4) =9a(5) =25a(6) =88a(7) =292a(8) =1031a(9) =3685a(10) =13433a(11) =49608a(12) =185465a(13) =699963a(14) =2664650a(15) =10217130a(16) =39428179a(17) =153009240a(18) =596761737a(19) =2337875430a(20) =9195732624a(21) =36301739221a(22) =143780858517a(23) =571191310205
External references
- oeis: A363467