A090348 Norms of prime elements in the ring of integers of Q(sqrt(-7)).

2, 7, 9, 11, 23, 25, 29, 37, 43, 53, 67, 71, 79, 107, 109, 113, 127, 137, 149, 151, 163, 169, 179, 191, 193, 197, 211, 233, 239, 263, 277, 281, 289, 317, 331, 337, 347, 359, 361, 373, 379, 389, 401, 421, 431, 443, 449, 457, 463, 487, 491, 499

Offset: 0

Author

Paul Boddington, Jan 29 2004

Keywords

• easy
• nonn

Comments

Consists of those primes in A045373 together with the squares of those primes not in A045373.

References

• A. Frohlich and M. J. Taylor, Algebraic number theory, Cambridge studies in advanced mathematics, no. 27, Cambridge University Press, 1991.

Crossrefs

Cf. A045373, A002652.