Number of (n+1)X(n+1) 0..2 arrays with the number of clockwise edge increases in 2X2 subblocks nondecreasing rightwards and downwards.
A206504
Number of (n+1)X(n+1) 0..2 arrays with the number of clockwise edge increases in 2X2 subblocks nondecreasing rightwards and downwards.
Terms
- a(0) =81a(1) =7737a(2) =2105607a(3) =1483188648
External references
- oeis: A206504