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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. 6
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 (list; graph; refs; listen; history; text; internal format)
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

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

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Last modified January 18 04:47 EST 2019. Contains 319269 sequences. (Running on oeis4.)