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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.

A098222 a(n) is the smallest prime q such that floor(sigma(sigma(q))/q) = n.

Table of values

n	a(n)
1	13
2	2
3	179
4	55439
5	232792559
6	130429015516799

List of values

[13, 2, 179, 55439, 232792559, 130429015516799]

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

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