74701920

Appears in sequences

• Number of (n+1)X(2+1) 0..3 arrays with the upper median plus the lower median of every 2X2 subblock equal.at n=5A237001
• Number of (n+1)X(6+1) 0..3 arrays with the upper median plus the lower median of every 2X2 subblock equal.at n=1A237005
• 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=22A237007
• 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=26A237007