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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.

A115016 a(n) is the smallest number k that has a shortest addition chain whose length A003313(k) = A003313(n*k), or 0 if this never happens.

Table of values

n a(n)
1 1
2 191
3 171
4 30958077
5 3277
6 2731
7 28087

List of values

[1, 191, 171, 30958077, 3277, 2731, 28087]

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

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