592920

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 77.at n=9A031755
• Number of (n+1) X (n+1) 0..1 arrays with every 2 X 2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..1 introduced in row major order.at n=11A208084