499752207domain: NAppears in sequencesNumber of (n+1)X3 0..2 arrays with rows and columns of determinants of all 2X2 subblocks lexicographically nondecreasing.at n=6A206217Number of (n+1)X8 0..2 arrays with rows and columns of determinants of all 2X2 subblocks lexicographically nondecreasing.at n=1A206222