Number of (n+1)X5 0..1 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards.
A204719
Number of (n+1)X5 0..1 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards.
Terms
- a(0) =450a(1) =5821a(2) =67518a(3) =727255a(4) =7549845a(5) =75805761a(6) =748847269a(7) =7296210120a(8) =70578444334a(9) =678972053783
External references
- oeis: A204719