167176domain: NAppears in sequencesNumber of ways to place 3 nonattacking bishops on a 3 X n board.at n=34A172207Number of distinct solutions of sum{i=1..3}(x(2i-1)*x(2i)) = 1 (mod n), with x() in 0..n-1.at n=23A180805Numbers b such that b^(2^15) + 1 is prime (a generalized Fermat prime).at n=2A226530