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

A235896

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

Terms

    a(0) =125a(1) =641a(2) =3265a(3) =17001a(4) =89857a(5) =482809a(6) =2633969a(7) =14575785a(8) =81703841a(9) =463238873a(10) =2652564049a(11) =15317772297a(12) =89086539265a(13) =521188708921

External references