Number of (n+1)X(n+1) 0..1 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards.
A204715
Number of (n+1)X(n+1) 0..1 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards.
Terms
- a(0) =16a(1) =261a(2) =9657a(3) =727255a(4) =118449078a(5) =41246881735
External references
- oeis: A204715