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.

A358386 Distinct values of A030717 in order of appearance.

Original entry on oeis.org

1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 10, 15, 18, 14, 12, 20, 17, 23, 16, 25, 30, 19, 27, 38, 29, 49, 26, 31, 62, 35, 13, 77, 39, 94, 32, 42, 110, 45, 129, 43, 48, 149, 51, 172, 56, 195, 61, 218, 63, 64, 241, 71, 67, 266, 79, 70, 293, 87, 73, 21, 323, 75, 356, 101, 78, 389, 109, 82, 28, 424, 116, 88, 461, 125, 40, 33, 34, 22, 500
Offset: 1

Views

Author

Seiichi Manyama, Nov 13 2022

Keywords

Comments

Conjecture: 41 is not a term. This conjecture is related to A030720. Nowhere among the first 3*10^5 terms in A030717 does 41 appear.

Crossrefs

Programs

  • Ruby
    def A030717(n)
      ary = [1]
      (n - 1).times{
        ary += ary.uniq.sort.map{|i| ary.count(i)}
      }
      ary
    end
    p A030717(50).uniq