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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.

A055698 Numbers n such that n | (sigma_4(n) + phi(n)^4).

Table of values

n a(n)
1 1
2 2
3 6
4 13588
5 48238
6 54490
7 69004
8 194460
9 353228
10 577980
11 638652
12 1478962
13 1882188
14 2190515
15 2677740
16 3404598
17 3875508
18 8456460
19 9978863
20 16320458
21 41199780
22 45112860
23 76132715
24 236405988
25 357846865
26 682983756
27 689274612
28 733141332
29 1185444052
30 1752193128

List of values

[1, 2, 6, 13588, 48238, 54490, 69004, 194460, 353228, 577980, 638652, 1478962, 1882188, 2190515, 2677740, 3404598, 3875508, 8456460, 9978863, 16320458, 41199780, 45112860, 76132715, 236405988, 357846865, 682983756, 689274612, 733141332, 1185444052, 1752193128]

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

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