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.

A114078 Numbers k such that phi(k)*sigma(k) is a fourth power.

Table of values

n a(n)
1 1
2 170
3 595
4 714
5 121056
6 480441
7 529620
8 706063
9 706237
10 729752
11 755972
12 815654
13 2162808
14 2449062
15 2827789
16 2927848
17 2957416
18 2994681
19 2995419
20 3010227
21 3019028
22 3019772
23 3080140
24 3093860
25 3103464
26 3206364
27 3213804

List of values

[1, 170, 595, 714, 121056, 480441, 529620, 706063, 706237, 729752, 755972, 815654, 2162808, 2449062, 2827789, 2927848, 2957416, 2994681, 2995419, 3010227, 3019028, 3019772, 3080140, 3093860, 3103464, 3206364, 3213804]

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

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