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.

Previous Showing 91-100 of 122 results. Next

A062629 Numbers k such that 63^k - 62^k is prime.

Original entry on oeis.org

3, 59, 3499, 3571
Offset: 1

Views

Author

Mike Oakes, May 18 2001, May 19 2001

Keywords

Comments

Terms greater than 1000 are often only strong pseudoprimes.
a(5) > 10^5. - Robert Price, Jun 05 2013

Crossrefs

Cf. A000043, A057468, A059801, A059802, A062572-A062666.

Programs

A062630 Numbers k such that 64^k - 63^k is prime.

Original entry on oeis.org

2, 3, 11, 31, 349, 379, 14669, 19001, 49957, 68909
Offset: 1

Views

Author

Mike Oakes, May 18 2001, May 19 2001

Keywords

Comments

Terms greater than 1000 are often only strong pseudoprimes.
a(11) > 10^5. - Robert Price, Jul 08 2013

Crossrefs

Cf. A000043, A057468, A059801, A059802, A062572-A062666.

Programs

Extensions

a(7)-a(10) from Robert Price, Jul 08 2013

A062631 Numbers k such that 65^k - 64^k is prime.

Original entry on oeis.org

5, 31, 9013, 29077, 35543, 56809, 60167
Offset: 1

Views

Author

Mike Oakes, May 18 2001, May 19 2001

Keywords

Comments

Terms greater than 1000 are often only strong pseudoprimes.
All terms are prime. - Robert Price, Aug 09 2013
a(8) > 10^5. - Robert Price, Aug 09 2013

Crossrefs

Cf. A000043, A057468, A059801, A059802, A062572-A062666.

Programs

Extensions

a(4)-a(7) (calculations by Adam Marciniec) - Robert Price, Aug 09 2013

A062632 Numbers k such that 66^k - 65^k is prime.

Original entry on oeis.org

2, 7, 47, 61, 73, 317, 4447, 32749, 72047, 99581
Offset: 1

Views

Author

Mike Oakes, May 18 2001, May 19 2001

Keywords

Comments

Terms greater than 1000 are often only strong pseudoprimes.
a(11) > 10^5. - Robert Price, Sep 03 2013

Crossrefs

Cf. A000043, A057468, A059801, A059802, A062572-A062666.

Programs

Extensions

a(8)-a(10) (Computed by Adam Marciniec) from Robert Price, Sep 03 2013

A062633 Numbers k such that 67^k - 66^k is prime.

Original entry on oeis.org

3, 5, 43, 2399, 88037
Offset: 1

Views

Author

Mike Oakes, May 18 2001, May 19 2001

Keywords

Comments

Terms greater than 1000 are often only strong pseudoprimes.
a(6) > 10^5. - Robert Price, Oct 03 2013

Crossrefs

Cf. A000043, A057468, A059801, A059802, A062572-A062666.

Programs

Extensions

a(5) from Robert Price, Oct 03 2013 (Computer run by Adam Marciniec)

A062635 Numbers k such that 69^k - 68^k is prime.

Original entry on oeis.org

2, 17, 1543, 83653
Offset: 1

Views

Author

Mike Oakes, May 18 2001, May 19 2001

Keywords

Comments

Terms greater than 1000 are often only strong pseudoprimes.
a(5) > 10^5. - Robert Price, Dec 16 2013

Crossrefs

Cf. A000043, A057468, A059801, A059802, A062572-A062666.

Programs

Extensions

a(4) from Robert Price, Dec 16 2013 (Computer run by Adam Marciniec)

A062636 Numbers k such that 70^k - 69^k is prime.

Original entry on oeis.org

2, 11, 1301, 78989, 83117
Offset: 1

Views

Author

Mike Oakes, May 18 2001, May 19 2001

Keywords

Comments

Terms greater than 1000 are often only strong pseudoprimes.
a(6) > 10^5. - Robert Price Jan 15 2014

Crossrefs

Cf. A000043, A057468, A059801, A059802, A062572-A062666.

Programs

Extensions

a(4)-a(5) from Robert Price, Jan 15 2014 (Computer run by Adam Marciniec)

A062637 Numbers k such that 71^k - 70^k is prime.

Original entry on oeis.org

47, 139, 227, 2339, 4919, 21319
Offset: 1

Views

Author

Mike Oakes, May 18 2001, May 19 2001

Keywords

Comments

Terms greater than 1000 are often only strong pseudoprimes.
a(7) > 10^5. - Robert Price, Feb 17 2014

Crossrefs

Cf. A000043, A057468, A059801, A059802, A062572-A062666.

Programs

Extensions

a(6) from Robert Price, Feb 17 2014

A062638 Numbers k such that 72^k - 71^k is prime.

Original entry on oeis.org

61, 9883, 64693
Offset: 1

Views

Author

Mike Oakes, May 18 2001, May 19 2001

Keywords

Comments

Integers corresponding to n greater than 1000 are often only strong pseudoprimes.
a(4) > 10^5. - Robert Price, Mar 20 2014

Crossrefs

Cf. A000043, A057468, A059801, A059802, A062572-A062666.

Programs

Extensions

a(3) from Robert Price, Mar 20 2014 (computer run by Adam Marciniec)

A062639 Numbers k such that 73^k - 72^k is prime.

Original entry on oeis.org

19, 83, 1091, 20117
Offset: 1

Views

Author

Mike Oakes, May 18 2001, May 19 2001

Keywords

Comments

Terms greater than 1000 are often only strong pseudoprimes.
a(5) > 10^5. - Robert Price, Apr 21 2014

Crossrefs

Cf. A000043, A057468, A059801, A059802, A062572-A062666.

Programs

Extensions

a(4) from Robert Price, Apr 21 2014 (Computer run by Adam Marciniec)
Previous Showing 91-100 of 122 results. Next

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

Content is available under The OEIS End-User License Agreement.