G.f.: exp( Sum_{n>=1} A224678(n^2) * x^n/n ).
A224681
G.f.: exp( Sum_{n>=1} A224678(n^2) * x^n/n ).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =19a(4) =300a(5) =11768a(6) =1193594a(7) =302611474a(8) =188884066846
External references
- oeis: A224681
A224681
G.f.: exp( Sum_{n>=1} A224678(n^2) * x^n/n ).