14860032domain: NAppears in sequencesa(n) = (3*10^n - 6^n)/2.at n=7A165150G.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!.at n=7A167139