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

A204960

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

Terms

    a(0) =3490a(1) =147434a(2) =5988660a(3) =252709954a(4) =11028008070a(5) =470866502871

External references