66508

Appears in sequences

• Expansion of Product_{k>=1} ((1 + x^k)/(1 - x^k))^(k*(k-1)/2).at n=15A294780
• G.f. satisfies A(x) = exp( Sum_{k>=1} (A(x^k) + A(w*x^k) + A(w^2*x^k))/3 * x^k/k ), where w = exp(2*Pi*i/3).at n=34A363404