G.f. A(x) satisfies: A(x) = 1 + x * A(x/(1 - x)^3) / (1 - x).
A351813
G.f. A(x) satisfies: A(x) = 1 + x * A(x/(1 - x)^3) / (1 - x).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =7a(4) =32a(5) =179a(6) =1184a(7) =8977a(8) =76391a(9) =719132a(10) =7405261a(11) =82654011a(12) =992533974a(13) =12744345310a(14) =174073918884
External references
- oeis: A351813