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

0,1

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.

Links

Table of n, a(n) for n=0..51.

Crossrefs

Cf. A045373, A002652.

Sequence in context: A288598 A277737 A082371 * A163405 A049638 A190490

Adjacent sequences: A090345 A090346 A090347 * A090349 A090350 A090351

Keyword

easy,nonn

Author

Paul Boddington, Jan 29 2004

Status

approved