4686391

Appears in sequences

• Odd composites with increasing proportion of nontrivial non-witnesses of compositeness by the Miller-Rabin primality test.at n=26A090659
• Number of length-7 0..n arrays with no repeated value differing from the previous repeated value by one.at n=7A269498
• Odd composite numbers k for which the number of witnesses for strong pseudoprimality of k equals phi(k)/4, where phi is the Euler totient function (A000010).at n=29A329759