Number of (n+1)X(5+1) 0..3 arrays with the upper median plus the lower median of every 2X2 subblock equal.
A237004
Number of (n+1)X(5+1) 0..3 arrays with the upper median plus the lower median of every 2X2 subblock equal.
Terms
- a(0) =131280a(1) =7370124a(2) =411646536a(3) =33233608132
External references
- oeis: A237004