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

A236732

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

Terms

    a(0) =1497a(1) =17583a(2) =203517a(3) =2541745a(4) =31912919a(5) =411993973a(6) =5366177421a(7) =70784178483a(8) =939861919575

External references