This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A050957 #7 May 24 2013 06:27:18 %S A050957 31,71,158,206,383,501,503,581,743,789,869,917,983,989,1333,1349,1437, %T A050957 2573,3093,6677,14693 %N A050957 Discriminants of real quadratic fields with class number 1 and related continued fraction period length of 8. %D A050957 R. A. Mollin, Quadratics, CRC Press, 1996, Appendix A. %H A050957 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) %Y A050957 Cf. A050950-A050969, A051962-A051965. %K A050957 nonn,fini,full %O A050957 1,1 %A A050957 _N. J. A. Sloane_, Jan 04 2000