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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.

A241004 Numbers n such that anti-phi(sigma*(n)) = n, where anti-phi is A066452 and sigma* is the sum of anti-divisors of n (A066417).

Table of values

n a(n)
1 90
2 137
3 162
4 581
5 714
6 773
7 3735
8 4557
9 71028

List of values

[90, 137, 162, 581, 714, 773, 3735, 4557, 71028]

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

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