The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A050968 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing all changes.

A050968

Discriminants of real quadratic fields with class number 1 and related continued fraction period length of 19.
(history; published version)

#7 by T. D. Noe at Fri May 24 11:52:59 EDT 2013

STATUS

proposed

approved

#6 by Michel Marcus at Fri May 24 06:54:38 EDT 2013

STATUS

editing

proposed

#5 by Michel Marcus at Fri May 24 06:54:35 EDT 2013

LINKS

R. A. Mollin and H. C. Williams, <a href="http://projecteuclid.org/euclid.pja/1195512263">On a determination of real quadratic fields of class number one and related continued fraction period length less than 25</a>, Proc. Japan Acad. Ser. A Math. Sci. Volume 67, Number 1 (1991), 20-25. (cf. Table 3.1)

STATUS

approved

editing

#4 by Russ Cox at Fri Mar 30 16:48:38 EDT 2012

AUTHOR

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

Discussion

Fri Mar 30

16:48

OEIS Server: https://oeis.org/edit/global/110

#3 by N. J. A. Sloane at Tue Jun 01 03:00:00 EDT 2010

OFFSET

0,1,1

KEYWORD

nonn,fini,full,new

#2 by N. J. A. Sloane at Fri Feb 27 03:00:00 EST 2009

KEYWORD

nonn,fini,full,new

AUTHOR

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

#1 by N. J. A. Sloane at Mon May 08 03:00:00 EDT 2000

NAME

Discriminants of real quadratic fields with class number 1 and related continued fraction period length of 19.

DATA

241, 313, 449, 829, 953, 1069, 1193, 1213, 1697, 2381, 3853, 4733, 5077, 5189, 5381, 5669, 5981, 6173, 6277, 6389, 6397, 6917, 7717, 7757, 7877, 8237, 9973, 10037, 11093, 11933, 12893, 13397, 19997, 27917

OFFSET

0,1

REFERENCES

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

CROSSREFS

Cf. A050950-A050969, A051962-A051965.

KEYWORD

nonn,fini,full

AUTHOR

njas, Jan 04 2000

STATUS

approved