185131

Properties

Appears in sequences

• Smallest primes starting a complete three iterations Cunningham chain of the second kind.at n=30A110024
• Number of (n+3) X 6 0..2 arrays with every 4 X 4 subblock commuting with each horizontal and vertical neighbor 4 X 4 subblock.at n=10A186583
• Number of times a multiple of four is encountered when iterating from 2^(n+1)-2 to (2^n)-2 with the map x -> x - (number of runs in binary representation of x).at n=22A255125
• Prime numbersat n=16757