G.f.: A(x) = exp( Sum_{n>=1} A001333(n)^n * 2^n*x^n/n ).
A158843
G.f.: A(x) = exp( Sum_{n>=1} A001333(n)^n * 2^n*x^n/n ).
Terms
- a(0) =1a(1) =2a(2) =20a(3) =952a(4) =336112a(5) =742166496
External references
- oeis: A158843
A158843
G.f.: A(x) = exp( Sum_{n>=1} A001333(n)^n * 2^n*x^n/n ).