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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.

A064012 usigma(usigma(n))=3*n where usigma(n) is the sum of unitary divisors of n (A034448).

Table of values

n	a(n)
1	10
2	30
3	288
4	660
5	720
6	2146560

List of values

[10, 30, 288, 660, 720, 2146560]

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