Number of (n+1)X7 0..1 arrays with rows and columns of determinants of all 2X2 subblocks lexicographically nondecreasing.

A204798

Number of (n+1)X7 0..1 arrays with rows and columns of determinants of all 2X2 subblocks lexicographically nondecreasing.

Terms

    a(0) =2470a(1) =81009a(2) =1729515a(3) =40446826a(4) =897624021a(5) =20321241222a(6) =457771763592

External references