57731

Properties

Appears in sequences

• First coordinate of fundamental unit of real quadratic field with discriminant A003658(n), n >= 2.at n=53A014000
• Write fundamental unit for real quadratic field of discriminant n as x + y*omega; sequence gives values of x for n == 1 mod 4.at n=33A053370
• Primes p such that continued fraction of (1 + sqrt(p))/2 has period 10 : primes in A146335.at n=24A146355
• a(n) = 121*n^2 - 38*n + 3.at n=21A157443
• Primes p that set a new record for the size of the smallest prime q such that q^(p-1) == 1 (mod p^2), i.e., such that p is a base-q Wieferich prime.at n=34A289379
• Prime numbersat n=5849