G.f. A(x) satisfies: A(x) = x + x^2 * exp( Sum_{k>=1} (-1)^(k+1) * A(x^k)^4 / (k*x^(3*k)) ).
A363468
G.f. A(x) satisfies: A(x) = x + x^2 * exp( Sum_{k>=1} (-1)^(k+1) * A(x^k)^4 / (k*x^(3*k)) ).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =4a(4) =14a(5) =48a(6) =201a(7) =812a(8) =3455a(9) =14961a(10) =65954a(11) =294884a(12) =1334526a(13) =6098879a(14) =28114885a(15) =130561444a(16) =610244889a(17) =2868547475a(18) =13552299256a(19) =64316483918a(20) =306473091394
External references
- oeis: A363468