Number of (n+1)X(4+1) 0..2 arrays with the upper median equal to the lower median in every 2X2 subblock.
A235977
Number of (n+1)X(4+1) 0..2 arrays with the upper median equal to the lower median in every 2X2 subblock.
Terms
- a(0) =3741a(1) =89555a(2) =1947197a(3) =46727365a(4) =1101519021a(5) =26513929449a(6) =636000634655
External references
- oeis: A235977