Number of (n+1)X(5+1) 0..3 arrays with the upper median of every 2X2 subblock equal.
A237073
Number of (n+1)X(5+1) 0..3 arrays with the upper median of every 2X2 subblock equal.
Terms
- a(0) =1042300a(1) =540277188a(2) =195683299844
External references
- oeis: A237073