Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the minimum minus the lower median of every 2X2 subblock equal.

A237485

Number of (n+1)X(4+1) 0..3 arrays with the maximum plus the minimum minus the lower median of every 2X2 subblock equal.

Terms

    a(0) =55318a(1) =2218016a(2) =92508252a(3) =4269381134a(4) =195900496272

External references