386517

Appears in sequences

• Partial sum of the arithmetic derivative A003415 (A190121) up to 10^n.at n=3A229523
• Number of (n+1) X (1+1) 0..2 arrays with the minimum plus the maximum equal to the lower median plus the upper median in every 2 X 2 subblock.at n=7A235895
• T(n,k)=Number of (n+1)X(k+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=28A235902