E.g.f. A(x) satisfies A(x) = exp( x*(A(x) + A(-x))*(A(x) + A(w*x) + A(w^2*x))/6 ), where w = exp(2*Pi*i/3).
A385698
E.g.f. A(x) satisfies A(x) = exp( x*(A(x) + A(-x))*(A(x) + A(w*x) + A(w^2*x))/6 ), where w = exp(2*Pi*i/3).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =4a(4) =29a(5) =256a(6) =1501a(7) =28715a(8) =266001a(9) =4590064a(10) =99387041a(11) =2223185152a(12) =30919119661
External references
- oeis: A385698