G.f. satisfies: A(x) = 1 + x*[d/dx x*A(x)^3]/A(x)^4.
A218168
G.f. satisfies: A(x) = 1 + x*[d/dx x*A(x)^3]/A(x)^4.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =5a(4) =16a(5) =77a(6) =630a(7) =7956a(8) =132480a(9) =2664389a(10) =62140078a(11) =1643056625a(12) =48503833280
External references
- oeis: A218168