40446826domain: NAppears in sequencesNumber of (n+1)X5 0..1 arrays with rows and columns of determinants of all 2X2 subblocks lexicographically nondecreasing.at n=5A204796Number of (n+1)X7 0..1 arrays with rows and columns of determinants of all 2X2 subblocks lexicographically nondecreasing.at n=3A204798