84572

Appears in sequences

• Number of (n+1) X (2+1) 0..3 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4 (constant-stress 1 X 1 tilings).at n=13A235283
• Number of length-n 0..6 arrays with no repeated value equal to the previous repeated value, with new values introduced in sequential order.at n=9A268954
• Number of length-(n+4) 0..n arrays with no repeated value equal to the previous repeated value, with new values introduced in sequential order.at n=5A268958