67393domain: NAppears in sequencesa(n) = 52*n^2 + 1.at n=36A158644Number of 9-element subsets of {1, 2, ..., n} having pairwise coprime elements.at n=22A186985Integers k such that k + 1 has a divisor that is an anagram of k, which must have the same number of digits as k.at n=25A384597