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 A053329 #8 Dec 20 2021 02:46:20 %S A053329 2,3,5,6,7,11,13,14,17,21,23,29,33,37,38,41,47,53,61,62,69,77,83,93, %T A053329 101,133,141,149,157,167,173,197,213,227,237,269,293,317,341,398,413, %U A053329 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 %N A053329 Discriminants of real quadratic fields with class number 1 and nonzero n_Delta. %D A053329 R. A. Mollin, Quadratics, CRC Press, 1996, Appendix A, Table A7. %K A053329 nonn,fini,full %O A053329 1,1 %A A053329 _N. J. A. Sloane_, Jan 04 2000 %E A053329 More terms from _Sean A. Irvine_, Dec 19 2021