1418770domain: NAppears in sequencesNumber of length 5 arrays x(i), i=1..5 with x(i) in i..i+n and no value appearing more than 3 times.at n=15A250363Number of 6Xn 0..1 arrays with every element equal to 0, 1, 2 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=9A302627