Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the lower median minus the minimum of every 2X2 subblock equal.
A237312
Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the lower median minus the minimum of every 2X2 subblock equal.
Terms
- a(0) =42474a(1) =1218584a(2) =33313192a(3) =1008893682a(4) =29705879570a(5) =921202878454
External references
- oeis: A237312