Number of (n+1)X(2+1) 0..2 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock equal.
A236783
Number of (n+1)X(2+1) 0..2 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock equal.
Terms
- a(0) =255a(1) =1097a(2) =4452a(3) =19851a(4) =87889a(5) =405350a(6) =1877803a(7) =8891685a(8) =42339874a(9) =204256129a(10) =989815233a(11) =4835576474a(12) =23700386333a(13) =116758334093a(14) =576519616008
External references
- oeis: A236783