281429

Properties

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 46.at n=14A031634
• Denominators of continued fraction convergents to sqrt(533).at n=8A042019
• a(n) = n^4 + 3*n^2 + 1.at n=23A057721
• Numbers generated by the Fibonacci polynomial x^4 + 3x^2 + 1.at n=22A085151
• First differences of Chebyshev polynomials S(n,531) = A098257(n) with Diophantine property.at n=2A098259
• Least prime p = prime(n)^2 + prime(n+1)^2 + prime(n+2)^2 + prime(n+3)^2 + q^2, where q > prime(n+3) is also prime.at n=47A263724
• a(n) is the least prime p such that the second forward difference of three consecutive primes p, q and r is n = (p - 2q + r)/2.at n=38A316791
• Prime numbersat n=24553