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.

A133249 Location of ones in the binary representation of Chaitan's Omega: If[A124027(n)==0, then n.

Original entry on oeis.org

7, 14, 20, 21, 25, 30, 31, 33, 37, 38, 39, 40, 41, 42, 45, 47, 48, 49, 51, 52, 53, 55, 60
Offset: 1

Views

Author

Roger L. Bagula, Oct 14 2007

Keywords

Crossrefs

Programs

  • Mathematica
    (*A079365*); c = {0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1,1, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0,1, 0, 0, 0, 0, 1, 0, 0, 0, 0}; Flatten[Table[If[c[[n]] == 1, n, {}], {n, 1, Length[c]}]]

Formula

a(n) = If[A124027(m)==0, then (m)