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.

A112273 A puzzle sequence, answer unknown.

Original entry on oeis.org

5, 15, 365, 945
Offset: 1

Views

Author

N. J. A. Sloane, Nov 24 2005

Keywords

Comments

Possible solution is a(1) = 5; a(n) = 5 + 5 * n * A215148(n-1), giving 5, 15, 365, 945, 1755, 2795, 4065, 5565, 7295, 9255, 11445, 13865, 16515, 19395, ... . - Michal Paulovic, Sep 15 2023

Links

  • Floor en Lyanne van Lamoen, puzzle sequences from "Ask Dr. Math". Nov 28, 2005.

Crossrefs

Cf. A215148.
Showing 1-1 of 1 results.

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

Content is available under The OEIS End-User License Agreement.