21301696

Appears in sequences

• Number of (n+1) X (2+1) 0..3 arrays with the upper median equal to the lower median in every 2 X 2 subblock.at n=4A235851
• Number of (n+1)X(5+1) 0..3 arrays with the upper median equal to the lower median in every 2X2 subblock.at n=1A235854
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the upper median equal to the lower median in every 2X2 subblock.at n=16A235856
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the upper median equal to the lower median in every 2X2 subblock.at n=19A235856