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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.

A033857 Numbers n such that j(n)*phi(n) = usigma(n), where j(n) = A033831, usigma(n) = sum of unitary divisors of n (A034448).

Table of values

n a(n)
1 35
2 44
3 56
4 105
5 198
6 418
7 1254

List of values

[35, 44, 56, 105, 198, 418, 1254]

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

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