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.

A015734 Odd numbers k such that d(k) does not divide phi(k).

Table of values

n a(n)
1 25
2 27
3 75
4 81
5 121
6 189
7 225
8 275
9 289
10 297
11 343
12 363
13 405
14 425
15 513
16 529
17 567
18 575
19 605
20 621
21 725
22 729
23 825
24 837
25 841
26 867
27 1025
28 1029
29 1053
30 1089
31 1161
32 1175
33 1225
34 1269
35 1275
36 1325
37 1331
38 1377
39 1445
40 1475
41 1539
42 1587
43 1593
44 1681
45 1725

List of values

[25, 27, 75, 81, 121, 189, 225, 275, 289, 297, 343, 363, 405, 425, 513, 529, 567, 575, 605, 621, 725, 729, 825, 837, 841, 867, 1025, 1029, 1053, 1089, 1161, 1175, 1225, 1269, 1275, 1325, 1331, 1377, 1445, 1475, 1539, 1587, 1593, 1681, 1725]

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

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