G.f. A(x) satisfies A(x/A(x)^3) = 1/(1-x).
A145160
G.f. A(x) satisfies A(x/A(x)^3) = 1/(1-x).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =31a(4) =347a(5) =4860a(6) =79174a(7) =1440837a(8) =28584939a(9) =608533714a(10) =13751688892a(11) =327333165775
External references
- oeis: A145160