63311

Properties

Appears in sequences

• Primes p that have exactly three primitive roots that are not primitive roots mod p^2.at n=30A060519
• Triangle read by rows: T(n,k) = 2*k*T(n-1,n-1) + 1 (n >= 0, 0 <= k <= n), with T(0,0) = 1.at n=26A161380
• Primes p such that p + 2, p + 6, and the concatenation p (p+2) (p+6) is prime.at n=17A174858
• Prime p such that p and p+2 are twin primes and p^2+p-1 p^2+p+1 are also twin primes.at n=19A228968
• Prime numbersat n=6342