169776domain: NAppears in sequences58 'Reverse and Add' steps are needed to reach a palindrome.at n=8A065323a(n) = smallest k such that prime(n) is the n-th largest divisor of k.at n=31A226326a(n) = coefficient of 2^(2/3) in the expansion of (2^(1/3) + 2^(2/3))^n.at n=13A377119