G.f.: A(x) = exp( Sum_{n>=1} x^n/(1 - 2^(n^2)*x^n)/n ).
A161637
G.f.: A(x) = exp( Sum_{n>=1} x^n/(1 - 2^(n^2)*x^n)/n ).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =7a(4) =25a(5) =49a(6) =421a(7) =589a(8) =20051a(9) =109571a(10) =6897743a(11) =7158695a(12) =12593657691a(13) =12622726251
External references
- oeis: A161637