G.f.: Sum_{n>=0} A005649(n)^2 * log(1+x)^n/n! where 1/(1-x)^2 = Sum_{n>=0} A005649(n)*log(1+x)^n/n!.
A167139
G.f.: Sum_{n>=0} A005649(n)^2 * log(1+x)^n/n! where 1/(1-x)^2 = Sum_{n>=0} A005649(n)*log(1+x)^n/n!.
Terms
- a(0) =1a(1) =4a(2) =30a(3) =292a(4) =3497a(5) =49488a(6) =806504a(7) =14860032a(8) =305261640a(9) =6914828176a(10) =171186477632
External references
- oeis: A167139