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

A236003

Number of (n+1) X (1+1) 0..3 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) =88a(1) =508a(2) =2960a(3) =17464a(4) =104112a(5) =626480a(6) =3800832a(7) =23225504a(8) =142804544a(9) =882709824a(10) =5480742912a(11) =34158067072a(12) =213553551104

External references