Number of (n+1)X(n+1) 0..7 arrays with the permanents of all 2X2 subblocks equal and nonzero.

A204783

Number of (n+1)X(n+1) 0..7 arrays with the permanents of all 2X2 subblocks equal and nonzero.

Terms

    a(0) =3871a(1) =224843a(2) =5719981a(3) =7174463023a(4) =720594943717

External references