A053370 Write fundamental unit for real quadratic field of discriminant n as x + y*omega; sequence gives values of x for n == 1 mod 4.

0, 1, 3, 2, 2, 19, 5, 27, 3, 131, 17, 7, 11, 943, 4, 4, 447, 13, 5035, 9, 37, 118, 703, 15371, 79, 1595, 87, 11, 28, 98, 10847, 6, 6, 57731, 604, 63, 1637147, 13, 478763, 20, 43331, 34, 3583111, 7, 7, 21639, 36, 66436843, 8011739, 872, 15, 5699, 77

Offset

0,3

Comments

Entries are indexed by values of n from A039955.

References

R. A. Mollin, Quadratics, CRC Press, 1996, Tables B1-B3.

Links

Table of n, a(n) for n=0..52.

S. R. Finch, Class number theory

Steven R. Finch, Class number theory [Cached copy, with permission of the author]

Crossrefs

Cf. A053370-A053375.

Sequence in context: A206703 A122101 A108032 * A016458 A058513 A319650

Adjacent sequences: A053367 A053368 A053369 * A053371 A053372 A053373

Keyword

nonn,easy,nice

Author

N. J. A. Sloane, Jan 06 2000

Status

approved