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!.
A167141
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!.
Terms
- a(0) =1a(1) =4a(2) =48a(3) =864a(4) =20880a(5) =632448a(6) =23018688a(7) =978179328a(8) =47529084096
External references
- oeis: A167141