Number of (n+1)X(7+1) 0..3 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock equal.
A237210
Number of (n+1)X(7+1) 0..3 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock equal.
Terms
- a(0) =2899672a(1) =268073808a(2) =19305898426
External references
- oeis: A237210