Number of (4+1)X(n+1) 0..3 arrays with no element greater than all horizontal neighbors or equal to all vertical neighbors.

A238933

Number of (4+1)X(n+1) 0..3 arrays with no element greater than all horizontal neighbors or equal to all vertical neighbors.

Terms

    a(0) =540a(1) =176224a(2) =22636472a(3) =2531484558a(4) =330899764092

External references