180591domain: NAppears in sequencesa(n) = 625*n^2 - 2*n.at n=16A158373Number of nX7 arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and columns, 0..1 nX7 array.at n=7A219353