290596

Appears in sequences

• G.f.: A(x) = Product_{n>=1} [ (1-x)^2*(1 + 2x + 3x^2 +...+ n*x^(n-1)) ].at n=29A129355
• Expansion of Product_{k>0} (1 - k^2*x^k)^(1/k).at n=22A294620