Number of (n+1)X5 0..3 arrays with the permanents of all 2X2 subblocks equal and nonzero.

A204872

Number of (n+1)X5 0..3 arrays with the permanents of all 2X2 subblocks equal and nonzero.

Terms

    a(0) =4245a(1) =59377a(2) =337179a(3) =4256141a(4) =27234451a(5) =320519921a(6) =2202663919a(7) =24594710265a(8) =178262716197

External references