72178domain: NAppears in sequencesA054221 without cubes.at n=28A054224Smallest k not a palindrome and not divisible by 10 such that k and R(k) (A004086) both are divisible by the n-th prime.at n=35A075605Number of binary strings of length n with equal numbers of 000 and 101 substrings.at n=19A164140