632448

Appears in sequences

• G.f.: Sum_{n>=0} A004123(n)^2*log(1+x)^n/n! where 1/(1-2x) = Sum_{n>=0} A004123(n)*log(1+x)^n/n!.at n=5A167141
• Expansion of ((1-x)/(1-2*x))^6.at n=11A169793