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.

A250037 Numbers n such that m = floor(n/4) is not coprime to n and, if nonzero, m is also a term of the sequence.

Table of values

n a(n)
1 2
2 3
3 8
4 10
5 12
6 15
7 32
8 34
9 40
10 42
11 48
12 50
13 51
14 60
15 63
16 128
17 130
18 136
19 138
20 160
21 162
22 168
23 170
24 171
25 192
26 194
27 195
28 200
29 202
30 204
31 207
32 240
33 242
34 243
35 252
36 255
37 512
38 514
39 520
40 522
41 544
42 546
43 552
44 554
45 555
46 640
47 642
48 648
49 650
50 651
51 672
52 674
53 675
54 680
55 682

List of values

[2, 3, 8, 10, 12, 15, 32, 34, 40, 42, 48, 50, 51, 60, 63, 128, 130, 136, 138, 160, 162, 168, 170, 171, 192, 194, 195, 200, 202, 204, 207, 240, 242, 243, 252, 255, 512, 514, 520, 522, 544, 546, 552, 554, 555, 640, 642, 648, 650, 651, 672, 674, 675, 680, 682]