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.

A054862 (+2)-unitary sigma 3-multiple perfect number: numbers k such that (+2)usigma(k) = 3*k, where (+2)usigma(k) = A107759(k).

Table of values

n a(n)
1 105
2 45045
3 237405
4 101846745
5 121486365
6 274680671265

List of values

[105, 45045, 237405, 101846745, 121486365, 274680671265]

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

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