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.

A260378 Primes having only {0, 3, 7} as digits.

Original entry on oeis.org

3, 7, 37, 73, 307, 337, 373, 733, 773, 3037, 3307, 3373, 3733, 7307, 7333, 7703, 30307, 30703, 30707, 30773, 33037, 33073, 33377, 33703, 33773, 37003, 37307, 37337, 70003, 70373, 73037, 73303, 77003, 77377, 77773, 300007, 300073, 300733, 303007, 303073, 303307
Offset: 1

Views

Author

Vincenzo Librandi, Jul 24 2015

Keywords

Comments

A020463 is a subsequence.

Crossrefs

Cf. Primes that contain only the digits (k,3,7): this sequence (k=0), A260379 (k=1), A214704 (k=2), A199347 (k=4), A087363 (k=5), A260380 (k=6), A260381 (k=8), A260382 (k=9).
Subsequence of A155055.

Programs

  • Magma
    [p: p in PrimesUpTo(5*10^5) | Set(Intseq(p)) subset [0, 3, 7]];
  • Mathematica
    Select[Prime[Range[4 10^4]], Complement[IntegerDigits[#],{0, 3, 7}]=={} &]