541880

Appears in sequences

• Number of (n+1)X(1+1) 0..2 arrays colored with the upper median plus the lower median minus the minimum of every 2X2 subblock.at n=5A237678
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the upper median plus the lower median minus the minimum of every 2X2 subblock.at n=15A237683
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays colored with the upper median plus the lower median minus the minimum of every 2X2 subblock.at n=20A237683