110942domain: NAppears in sequencesNumbers of length n binary words with fewer than 5 0-digits between any pair of consecutive 1-digits.at n=17A145113Triangle T(n,k), n >= 2, 0 <= k <= floor(n^2/2)-2, read by rows, where T(n,k) is the number of 2*(k+2)-cycles in the n X n grid graph which pass through NW corner (0,0).at n=48A333651