-4232

Appears in sequences

• Expansion of g.f.: x^4/((1+2*x) * (1-2*x+x^2+2*x^3)).at n=16A123957
• L.g.f.: log(Product_{k>=1} (1 + x^k/(1 - x))) = Sum_{k>=1} a(k)*x^k/k.at n=44A307761