G.f. A(x) satisfies A(x) = 1 + x*A(x)^5*A(-x)^2.
A143552
G.f. A(x) satisfies A(x) = 1 + x*A(x)^5*A(-x)^2.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =22a(4) =115a(5) =1048a(6) =6418a(7) =63784a(8) =421195a(9) =4386273a(10) =30271136a(11) =324599018a(12) =2306033386a(13) =25228297188a(14) =182938978344
External references
- oeis: A143552