-4230
domain: Z
Appears in sequences
- Generalized sum of divisors function.at n=46A002130
- Expansion of 1/(1+x^2+x^3).at n=47A077962
- Expansion of (1-x)/(1 + x^2 - x^3).at n=45A078031
- Expansion of (1 + x)/(1 + x + 2x^2).at n=25A110512
- L.g.f.: Sum_{n>=1} a(n)*x^n/n = log( Sum_{n>=0} x^(2^n-1) ).at n=19A162415
- G.f.: Sum_{n>=0} x^n * (x^n + i)^n / (1 + i*x^(n+1))^(n+1), where i^2 = -1.at n=54A323675