1221438401

Appears in sequences

• Number of (n+1)X(4+1) 0..2 arrays with the minimum plus the maximum equal to the lower median plus the upper median in every 2X2 subblock.at n=6A235898
• Number of (n+1)X(7+1) 0..2 arrays with the minimum plus the maximum equal to the lower median plus the upper median in every 2X2 subblock.at n=3A235901