Number of (n+1)X4 0..3 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing.

A205275

Number of (n+1)X4 0..3 arrays with rows and columns of permanents of all 2X2 subblocks lexicographically nondecreasing.

Terms

    a(0) =23244a(1) =2940732a(2) =390106512a(3) =39435964246

External references