Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A051980
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A051980 Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 15. +0
1
481, 1417, 1466, 2858, 3065, 3589, 3785, 3977, 4538, 5317, 5941, 6641, 6749, 7082, 11861, 12701, 12833, 13793, 14909, 16589, 17153, 18185, 18365, 18581, 20885, 27989, 29069, 32885, 33365, 44813, 47165, 51173, 66197, 67973, 70493 (list; graph; listen)
OFFSET

1,1

REFERENCES

R. A. Mollin, Quadratics, CRC Press, 1996, Appendix A, Table A3.

CROSSREFS

Cf. A051966-A051989.

Sequence in context: A008410 A020286 A064909 this_sequence A020271 A165384 A165376

Adjacent sequences: A051977 A051978 A051979 this_sequence A051981 A051982 A051983

KEYWORD

nonn,fini

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Jan 04 2000

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


AT&T Labs Research