Number of (n+1)X(4+1) 0..2 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock equal.
A236785
Number of (n+1)X(4+1) 0..2 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock equal.
Terms
- a(0) =2475a(1) =19851a(2) =145124a(3) =1287919a(4) =10951425a(5) =101820364a(6) =921870137a(7) =8733287503a(8) =81211467440a(9) =774898990883
External references
- oeis: A236785