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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.

A335121 Admirable totient numbers: numbers that are equal to the sum of their iterated phi, with one of them taken with a minus sign.

Table of values

n a(n)
1 5
2 7
3 33
4 35
5 55
6 87
7 95
8 175
9 201
10 215
11 219
12 245
13 531
14 747
15 927
16 939
17 1047
18 1295
19 1463
20 1473
21 1551
22 1855
23 2015
24 2103
25 2421
26 2431
27 2547
28 2619
29 2631
30 2765
31 3535
32 4833
33 5067
34 5215
35 7655
36 7743
37 7851
38 10503
39 11127
40 11307
41 13055
42 13707
43 16247
44 16593
45 17805
46 18471

List of values

[5, 7, 33, 35, 55, 87, 95, 175, 201, 215, 219, 245, 531, 747, 927, 939, 1047, 1295, 1463, 1473, 1551, 1855, 2015, 2103, 2421, 2431, 2547, 2619, 2631, 2765, 3535, 4833, 5067, 5215, 7655, 7743, 7851, 10503, 11127, 11307, 13055, 13707, 16247, 16593, 17805, 18471]

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

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