69354domain: NAppears in sequencesMatrix log of triangle A117396.at n=58A117398Numbers k such that 3*10^k + 17 is prime.at n=24A283684Numbers k such that (18^k - 1)^2 - 2 is prime.at n=12A364078Difference between pi(2^n) and the integer nearest to 2^n / log(2^n).at n=23A380198