Number of (n+1)X5 0..4 arrays with the permanents of all 2X2 subblocks equal and nonzero.

A204728

Number of (n+1)X5 0..4 arrays with the permanents of all 2X2 subblocks equal and nonzero.

Terms

    a(0) =15688a(1) =353626a(2) =2122560a(3) =45026614a(4) =304649012a(5) =6063334774a(6) =44356355508a(7) =831511885930

External references