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.

A193213 Primes generated by the golden sieve, cf. A099267.

Original entry on oeis.org

2, 3, 5, 11, 13, 19, 23, 29, 31, 37, 47, 53, 61, 71, 73, 79, 89, 97, 103, 107, 113, 131, 137, 139, 149, 157, 163, 167, 173, 179, 181, 191, 197, 199, 223, 233, 239, 241, 251, 257, 277, 281, 283, 293, 307, 311, 317, 349, 353, 359, 367, 379, 383, 401, 409, 419
Offset: 1

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Author

Reinhard Zumkeller, Sep 18 2011

Keywords

Comments

Complement of A193214 with respect to A000040.
Intersection of A099267 and A000040.

Programs

  • Haskell
    a193213 n = a193213_list !! (n-1)
    a193213_list = filter ((== 1) . a010051) a099267_list
  • Mathematica
    With[{t = Nest[Flatten[# /. {0 -> {0, 1}, 1 -> {1, 0, 1}}] &, {0}, 7]}, Select[Position[t, 1][[All, 1]], PrimeQ]] (* Michael De Vlieger, Sep 28 2021, after Benoit Cloitre at A099267 *)