207889

Appears in sequences

• Numbers n such that n is a substring of its square in base 5 (written in base 10).at n=26A018829
• Number of (n+1) X (3+1) 0..2 arrays with no 2 X 2 subblock having the sum of its diagonal elements greater than the absolute difference of its antidiagonal elements.at n=10A251083
• Number of Dyck paths of semilength n such that no level has more than eight peaks.at n=12A287972