Number of (n+1)X7 0..2 arrays with the determinants of 2X2 subblocks nondecreasing rightwards and downwards.
A205213
Number of (n+1)X7 0..2 arrays with the determinants of 2X2 subblocks nondecreasing rightwards and downwards.
Terms
- a(0) =139390a(1) =17014174a(2) =1236875696a(3) =126335408689
External references
- oeis: A205213