Number of (n+1)X6 0..4 arrays with the permanents of all 2X2 subblocks equal and nonzero.

A204729

Number of (n+1)X6 0..4 arrays with the permanents of all 2X2 subblocks equal and nonzero.

Terms

    a(0) =50920a(1) =1425462a(2) =14348560a(3) =304649012a(4) =3884003062a(5) =72313926190

External references