Number of (n+1)X6 0..1 arrays with rows and columns of determinants of all 2X2 subblocks lexicographically nondecreasing.

A204797

Number of (n+1)X6 0..1 arrays with rows and columns of determinants of all 2X2 subblocks lexicographically nondecreasing.

Terms

    a(0) =907a(1) =18550a(2) =270148a(3) =4122638a(4) =60519533a(5) =897624021a(6) =13302221086a(7) =197792658833

External references