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.

A060700 "Anomalous" numbers k such that for even numbers 2k, gcd(2k, lcm(dd(2k)))=2k and not k, where dd(2k) is the first difference set of divisors of 2k.

Table of values

n a(n)
1 15
2 30
3 35
4 45
5 63
6 70
7 75
8 77
9 91
10 99
11 105
12 117
13 126
14 135
15 140
16 143
17 150
18 153
19 154
20 165
21 175
22 182
23 187
24 189
25 195
26 198
27 209
28 221
29 225
30 231
31 234
32 245
33 247
34 252
35 255
36 273
37 280
38 285
39 286
40 297
41 299
42 306
43 308
44 315
45 323
46 325
47 330
48 345
49 350
50 351
51 357
52 364
53 374
54 375

List of values

[15, 30, 35, 45, 63, 70, 75, 77, 91, 99, 105, 117, 126, 135, 140, 143, 150, 153, 154, 165, 175, 182, 187, 189, 195, 198, 209, 221, 225, 231, 234, 245, 247, 252, 255, 273, 280, 285, 286, 297, 299, 306, 308, 315, 323, 325, 330, 345, 350, 351, 357, 364, 374, 375]

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

Content is available under The OEIS End-User License Agreement.