G.f. satisfies: A(x) = Sum_{n>=0} x^n*A(x)^n * Product_{k=1..n} (A(x)^k - x^k).
A229189
G.f. satisfies: A(x) = Sum_{n>=0} x^n*A(x)^n * Product_{k=1..n} (A(x)^k - x^k).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =9a(4) =44a(5) =239a(6) =1375a(7) =8263a(8) =51357a(9) =327693a(10) =2135950a(11) =14170571a(12) =95427286a(13) =650944504a(14) =4490552235a(15) =31288674796a(16) =219971575861
External references
- oeis: A229189