cp's OEIS Frontend

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.

A387218 Numbers k such that k = sigma(s(s(s(k)))) where s(k) = sigma(k)-k and sigma = A000203.

Table of values

n a(n)
1 44
2 248
3 11904
4 565838
5 583730
6 16588800

List of values

[44, 248, 11904, 565838, 583730, 16588800]

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

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