22056220

Appears in sequences

• Number of (n+1)X(3+1) 0..3 arrays with the upper median plus the lower median of every 2X2 subblock equal.at n=3A237002
• Number of (n+1)X(4+1) 0..3 arrays with the upper median plus the lower median of every 2X2 subblock equal.at n=2A237003
• T(n,k) = Number of (n+1) X (k+1) 0..3 arrays with the upper median plus the lower median of every 2 X 2 subblock equal.at n=17A237007
• T(n,k) = Number of (n+1) X (k+1) 0..3 arrays with the upper median plus the lower median of every 2 X 2 subblock equal.at n=18A237007