G.f.: 1/(1-x) = Sum_{n>=0} a(n)*x^n/(1+x)^(n^2).
A133316
G.f.: 1/(1-x) = Sum_{n>=0} a(n)*x^n/(1+x)^(n^2).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =8a(4) =54a(5) =544a(6) =7508a(7) =133704a(8) =2943194a(9) =77589536a(10) =2391477804a(11) =84582890704
External references
- oeis: A133316