457813

Properties

Appears in sequences

• Primes p such that q = 4p^2 + 1, r = 4q^2 + 1 and s = 4r^2 + 1 are all primes.at n=9A122429
• a(n)^2 is the least possible value at the root of a binary tree of height n where all nodes hold positive squares and all interior nodes also equal the sum of their two children.at n=26A309167
• a(n) is the number of isomorphism classes of genus 2 hyperelliptic curves over the finite field of order prime(n).at n=17A363840
• Prime numbersat n=38304