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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.

A067740 Smallest number k such that sigma(k)/sigma(phi(k)) = n.

Table of values

n	a(n)
1	1
2	14
3	2
4	6
5	118740
6	2915640
7	74322349920

List of values

[1, 14, 2, 6, 118740, 2915640, 74322349920]

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

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