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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.

A015704 a(n) is the smallest number m such that phi(m) + sigma(m) = n*m.

Table of values

n	a(n)
2	1
3	312
4	23760
5	336280120525440

List of values

[1, 312, 23760, 336280120525440]

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

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