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.

A127437 Duplicate of A001915.

Original entry on oeis.org

2, 5, 11, 13, 19, 23, 29, 37, 47, 53, 59, 61, 67, 71, 83, 97, 101, 107, 131, 139, 149, 163, 167, 173, 179, 181, 191, 193, 197, 211, 227, 239, 263, 269, 293, 307, 311, 313, 317, 347, 349, 359, 373, 379, 383, 389, 409, 419, 421, 431, 443, 461, 467, 479, 491, 499, 503, 509, 523, 541, 547, 557, 563, 577
Offset: 1

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Author

Max Alekseyev, Jan 14 2007

Keywords

Comments

Potential prime divisors of solutions to 2^m == 3 (mod m) (see A050259).
Minimal nonnegative solutions to 2^x == 3 (mod a(n)) are given in A127438.

Crossrefs

Cf. A050259, A123988 (complement in the primes).

Programs

  • PARI
    forprime(p=5,1000, g=znprimroot(p); u=znlog(Mod(2,p),g); v=znlog(Mod(3,p),g); if( v%u==0, print1(p,", "); ))

Extensions

Corrected by Max Alekseyev, Jun 08 2011
Corrected by Arkadiusz Wesolowski, Jan 12 2021