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.

Showing 1-2 of 2 results.

A153602 Primes in A153601.

Original entry on oeis.org

3, 5, 7, 11, 13, 17, 31, 43, 73, 127, 151, 241, 257, 331, 683, 2731, 5419, 8191, 43691, 61681, 65537, 131071, 174763, 262657, 524287, 599479, 2796203, 15790321, 18837001, 22366891, 715827883, 2147483647, 4278255361, 4562284561
Offset: 1

Views

Author

Artur Jasinski, Dec 29 2008

Keywords

Crossrefs

Cf. A153443, A153601.

Extensions

Edited by N. J. A. Sloane, Jan 16 2009

A211874 Primes of the form Phi_k(3), the k-th cyclotomic polynomial evaluated at 3.

Original entry on oeis.org

2, 7, 13, 61, 73, 547, 757, 1093, 4561, 6481, 368089, 398581, 530713, 797161, 42521761, 47763361, 2413941289, 23535794707, 282429005041, 374857981681, 144542918285300809, 150094634909578633, 13490012358249728401, 82064241848634269407
Offset: 1

Views

Author

Alexander Gruber, Feb 12 2013

Keywords

Crossrefs

Primes in A019321.
Cf. A138933, A072226, A153601.

Programs

  • Mathematica
    Sort[Select[Cyclotomic[Range[1000], 3], PrimeQ]]
Showing 1-2 of 2 results.

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

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