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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.

A259082 a(n) = largest k such that the decimal representation of 5^k does not contain the digit n, or -1 if every power of 5 contains the digit n.

Original entry on oeis.org

58, 42, 1, 23, 55, -1, 45, 53, 24, 65
Offset: 0

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Author

N. J. A. Sloane, Jun 18 2015

Keywords

Comments

These values are only conjectural.

Links

  • Popular Computing (Calabasas, CA), Two Tables, Vol. 1, (No. 9, Dec 1973), page PC9-16.

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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