199639388

Appears in sequences

• Number of (n+1)X(4+1) 0..3 arrays with the minimum plus the maximum equal to the lower median plus the upper median in every 2X2 subblock.at n=3A236006
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the minimum plus the maximum equal to the lower median plus the upper median in every 2X2 subblock.at n=24A236009