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.

A206332 Complement of A092754.

Original entry on oeis.org

2, 5, 6, 11, 12, 13, 14, 23, 24, 25, 26, 27, 28, 29, 30, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122
Offset: 1

Views

Author

Reinhard Zumkeller, May 07 2012

Keywords

Comments

Conjecture: these are the positions words in A076478 that start with 0 and end with 1. - Clark Kimberling, Jul 14 2021

Crossrefs

Cf. A004755, A004760, A092754 (complement).

Programs

  • Haskell
    a206332 n = a206332_list !! (n-1)
    a206332_list = compl [1..] a092754_list where
       compl (u:us) vs'@(v:vs) | u == v = compl us vs
                               | u /= v = u : compl us vs'
    
  • PARI
    a(n) = n + 2<Kevin Ryde, Jun 19 2021

Formula

a(n) = A004760(n+2) - 1. - Rémy Sigrist, May 05 2019
a(n) = A004755(n) - 1. - Kevin Ryde, Jun 19 2021