Number of (n+1) X (n+1) 0..2 arrays with the upper median equal to the lower median in every 2 X 2 subblock.
A235973
Number of (n+1) X (n+1) 0..2 arrays with the upper median equal to the lower median in every 2 X 2 subblock.
Terms
- a(0) =39a(1) =1473a(2) =143183a(3) =46727365a(4) =45610599689
External references
- oeis: A235973