286104domain: NAppears in sequencesa(n) = 18522*n - 10248.at n=15A157731Number of (n+1) X (6+1) 0..1 arrays with every 2 X 2 subblock antidiagonal maximum minus diagonal minimum nondecreasing horizontally and diagonal maximum minus antidiagonal minimum nondecreasing vertically.at n=34A253395