557904400

Appears in sequences

• Least square base n doublet (written in base 10).at n=7A020340
• Squares which repeat with at least two full periods when written in base 9.at n=0A071135
• Number of (n+2) X (2+2) 0..3 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, no adjacent elements equal, and upper left element zero.at n=8A230971