G.f. A(x) satisfies: A(x) = 1 + x * A(x)^3 / (1 - 4 * x).
A349532
G.f. A(x) satisfies: A(x) = 1 + x * A(x)^3 / (1 - 4 * x).
Terms
- a(0) =1a(1) =1a(2) =7a(3) =52a(4) =407a(5) =3329a(6) =28232a(7) =246552a(8) =2204895a(9) =20103027a(10) =186223399a(11) =1748009560a(12) =16591329652a(13) =158975004204
External references
- oeis: A349532