G.f. satisfies: A(x) = 1/(1 - x/A(-x*A(x)^8)^3).
A213231
G.f. satisfies: A(x) = 1/(1 - x/A(-x*A(x)^8)^3).
Terms
- a(0) =1a(1) =1a(2) =4a(3) =25a(4) =176a(5) =1431a(6) =12526a(7) =117850a(8) =1167446a(9) =12080563a(10) =129326575a(11) =1422908670a(12) =15999766613a(13) =183070661566
External references
- oeis: A213231