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.

Showing 1-1 of 1 results.

A073073 Numbers m such that the minimal value of abs(2^m - 3^x) > 0 is prime (i.e., m such that A064024(m) is prime).

Original entry on oeis.org

4, 5, 6, 7, 8, 11, 14, 21, 25, 89, 97, 110, 116, 121, 177, 235, 294, 784, 1039, 1454, 1629, 3460, 5611, 6174, 7133, 10922, 12287, 12581, 16311
Offset: 1

Views

Author

Benoit Cloitre, Aug 17 2002

Keywords

Crossrefs

Cf. A064024.

Programs

  • Mathematica
    Do[k = 0; While[Abs[2^n - 3^k] > Abs[2^n - 3^(k + 1)], k++ ]; If[PrimeQ[Abs[2^n - 3^k]], Print[n]], {n, 1, 4000}] (* Stefan Steinerberger, Jan 22 2006 *)

Extensions

a(19)-a(22) from Stefan Steinerberger, Jan 22 2006
a(23)-a(29) from Jinyuan Wang, Apr 05 2020
Showing 1-1 of 1 results.