Number of (n+1) X (3+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.

A235897

Number of (n+1) X (3+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) =473a(1) =3265a(2) =21697a(3) =148945a(4) =1030145a(5) =7234417a(6) =51386977a(7) =369219409a(8) =2679887681a(9) =19633204273a(10) =145044113953

External references