216973

Properties

Appears in sequences

• Primes of the form 2m*691 - 1.at n=29A134671
• Number of (n+2)X(n+2) binary arrays avoiding patterns 000 and 101 in rows, columns and nw-to-se diagonals.at n=5A202524
• Number of (n+2) X 8 binary arrays avoiding patterns 000 and 101 in rows, columns and nw-to-se diagonals.at n=5A202530
• Number of integer compositions of n with all prime run-lengths.at n=36A353401
• Prime numbersat n=19362