Number of (n+1) X 4 0..3 arrays with the permanents of all 2 X 2 subblocks equal and nonzero.

A204871

Number of (n+1) X 4 0..3 arrays with the permanents of all 2 X 2 subblocks equal and nonzero.

Terms

    a(0) =1467a(1) =10397a(2) =53311a(3) =337179a(4) =1912223a(5) =11644559a(6) =67916249a(7) =409180861a(8) =2413209565a(9) =14501405793a(10) =86035788685a(11) =516947561499

External references