743008370687domain: NAppears in sequencesa(n) = 12^n - 1.at n=11A024140a(n) = (n+1)^n - 1.at n=11A037205a(n) = (p+1)^p - 1 where p = prime(n).at n=4A137664a(n) = n^11 - 1.at n=11A258812