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

A236905

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

Terms

    a(0) =1056a(1) =6762a(2) =44836a(3) =326868a(4) =2411550a(5) =18527054a(6) =143619570a(7) =1138035570a(8) =9082354564a(9) =73458657386a(10) =597388648952

External references