cp's OEIS Frontend

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.

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A051987 Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 22.

Original entry on oeis.org

466, 763, 771, 834, 1059, 1194, 1266, 1334, 1558, 1563, 1798, 1835, 1843, 1905, 1963, 1986, 2001, 2082, 2270, 2274, 2279, 2406, 2514, 2519, 2546, 2585, 2643, 2778, 2823, 2859, 2931, 2937, 2947, 3063, 3107, 3131, 3147, 3182, 3207, 3310
Offset: 1

Views

Author

N. J. A. Sloane, Jan 04 2000

Keywords

References

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

Links

Crossrefs

Cf. A051966-A051989.

A051988 Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 23.

Original entry on oeis.org

586, 634, 1585, 2474, 3578, 4121, 4141, 5114, 6074, 6109, 6362, 6506, 6602, 7261, 8042, 8249, 10673, 12349, 20557, 22837, 24869, 26773, 26869, 33017, 34165, 34541, 37661, 37837, 43693, 51757, 55565, 56285, 56381, 58277, 59293
Offset: 1

Views

Author

N. J. A. Sloane, Jan 04 2000

Keywords

References

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

Links

Crossrefs

Cf. A051966-A051989.

A051967 Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 2.

Original entry on oeis.org

15, 30, 35, 39, 42, 51, 66, 87, 102, 110, 123, 143, 146, 165, 182, 203, 221, 230, 258, 285, 327, 357, 402, 447, 635, 645, 678, 741, 843, 902, 957, 1085, 1245, 1298, 1517, 1533, 2037, 2045, 2085, 2397, 2613, 4245, 4277, 4773, 5645, 5957, 6573, 8333
Offset: 1

Views

Author

N. J. A. Sloane, Jan 04 2000

Keywords

References

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

Links

Crossrefs

Cf. A051966-A051989.

A051968 Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 3.

Original entry on oeis.org

65, 185, 458, 485, 1157, 2117, 2285, 3077, 3293, 3365, 12365
Offset: 1

Views

Author

N. J. A. Sloane, Jan 04 2000

Keywords

References

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

Links

Crossrefs

Cf. A051966-A051989.

A051969 Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 4.

Original entry on oeis.org

34, 55, 78, 95, 119, 138, 155, 174, 194, 205, 215, 222, 266, 287, 299, 305, 318, 335, 377, 395, 429, 482, 527, 623, 755, 782, 861, 885, 1022, 1055, 1205, 1405, 1469, 1965, 2013, 2093, 2222, 2301, 2373, 2877, 3005, 3237, 3597, 3813, 4893
Offset: 1

Views

Author

N. J. A. Sloane, Jan 04 2000

Keywords

References

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

Crossrefs

Cf. A051966-A051989.

A051970 Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 5.

Original entry on oeis.org

74, 218, 493, 565, 1037, 1565, 1781, 2138, 2165, 2173, 3869, 5165, 5213, 5837, 6485, 8021, 10397, 14213
Offset: 1

Views

Author

N. J. A. Sloane, Jan 04 2000

Keywords

References

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

Crossrefs

Cf. A051966-A051989.
Cf. A028488.

A051972 Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 7.

Original entry on oeis.org

58, 202, 314, 538, 685, 949, 1165, 1261, 2885, 3133, 3277, 3653, 5429, 5765, 6437, 7373, 9197, 9509, 12557, 16757, 17141, 17261, 18317, 22301
Offset: 1

Views

Author

N. J. A. Sloane, Jan 04 2000

Keywords

References

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

Crossrefs

Cf. A051966-A051989.

A051974 Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 9.

Original entry on oeis.org

106, 698, 1073, 1189, 1285, 1385, 1418, 1865, 2581, 3233, 4469, 4553, 4709, 5597, 8885, 9365, 9773, 9893, 10229, 10685, 12053, 12077, 13565, 14285, 16733, 23285, 28757, 29957
Offset: 1

Views

Author

N. J. A. Sloane, Jan 04 2000

Keywords

References

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

Crossrefs

Cf. A051966-A051989.

A051976 Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 11.

Original entry on oeis.org

265, 298, 554, 794, 1322, 1658, 2218, 2509, 3242, 4181, 4682, 4685, 11413, 11773, 13085, 15685, 16085, 18485, 20285, 20765, 25565, 28013, 28685, 31037, 39797, 40157, 43733, 46637, 51917, 56117
Offset: 1

Views

Author

N. J. A. Sloane, Jan 04 2000

Keywords

References

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

Crossrefs

Cf. A051966-A051989.

A051978 Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 13.

Original entry on oeis.org

746, 778, 1082, 1241, 1514, 1649, 2042, 2426, 3085, 3338, 3349, 4058, 4573, 4589, 4885, 5389, 7418, 7421, 8765, 9389, 9965, 10085, 12965, 14837, 16277, 17533, 19357, 21053, 22373, 25877, 30733, 31373, 31853, 36965, 38597, 39437, 40757, 53477, 69893, 81413
Offset: 1

Views

Author

N. J. A. Sloane, Jan 04 2000

Keywords

References

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

Crossrefs

Cf. A051966-A051989.

Extensions

a(37) and following from Georg Fischer, Sep 21 2021
Previous Showing 11-20 of 23 results. Next

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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