327317

Properties

Appears in sequences

• Number of (n+4)X7 binary arrays with every 5X5 subblock commuting with each horizontal and vertical neighbor 5X5 subblock.at n=18A186603
• Square array A(n, k) read by antidiagonals, where A(n, 1) = prime(n) and for k > 1, A(n,k) is the smallest prime base to which A(n,k-1) is a Wieferich prime.at n=37A249162
• Primes whose base-8 representation is a perfect square in base 10.at n=29A267490
• a(1) = 3. For n > 1, a(n) = smallest prime q such that q^(a(n-1)-1) == 1 (mod a(n-1)^2).at n=7A355598
• Prime numbersat n=28188