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.

A273199 Integers which have a positive but not monotone difference table of their divisors.

Table of values

n a(n)
1 51
2 55
3 57
4 69
5 87
6 93
7 111
8 119
9 123
10 129
11 141
12 159
13 177
14 183
15 201
16 207
17 213
18 219
19 237
20 249
21 253
22 267
23 275
24 291
25 303
26 309
27 319
28 321
29 327
30 333
31 339
32 369
33 377
34 381
35 393
36 403
37 411
38 417
39 447
40 453
41 471
42 489
43 501
44 519
45 537
46 543
47 573
48 579
49 591
50 597

List of values

[51, 55, 57, 69, 87, 93, 111, 119, 123, 129, 141, 159, 177, 183, 201, 207, 213, 219, 237, 249, 253, 267, 275, 291, 303, 309, 319, 321, 327, 333, 339, 369, 377, 381, 393, 403, 411, 417, 447, 453, 471, 489, 501, 519, 537, 543, 573, 579, 591, 597]