login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A053329
Discriminants of real quadratic fields with class number 1 and nonzero n_Delta.
3
2, 3, 5, 6, 7, 11, 13, 14, 17, 21, 23, 29, 33, 37, 38, 41, 47, 53, 61, 62, 69, 77, 83, 93, 101, 133, 141, 149, 157, 167, 173, 197, 213, 227, 237, 269, 293, 317, 341, 398, 413, 437, 453, 461, 509, 557, 573, 677, 717, 773, 797, 917, 941, 1013, 1077, 1133, 1253, 1293, 1493, 1613, 1757, 1877, 2453, 2477, 2693, 3053, 3317, 3533
OFFSET
1,1
REFERENCES
R. A. Mollin, Quadratics, CRC Press, 1996, Appendix A, Table A7.
CROSSREFS
Sequence in context: A340856 A325100 A360007 * A308420 A363462 A260442
KEYWORD
nonn,fini,full
AUTHOR
N. J. A. Sloane, Jan 04 2000
EXTENSIONS
More terms from Sean A. Irvine, Dec 19 2021
STATUS
approved