342480domain: NAppears in sequencesNumber of lines through at least 2 points of an n X n grid of points.at n=35A018808Values of m such that N = (am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,69.at n=24A065702Number of reduced pairs of orthogonal Latin squares.at n=6A266166