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.

A250049 Numbers n such that m = floor(n/6) 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 4
4 5
5 12
6 14
7 16
8 18
9 21
10 24
11 26
12 28
13 30
14 35
15 72
16 74
17 75
18 76
19 84
20 86
21 88
22 96
23 98
24 100
25 108
26 110
27 111
28 112
29 126
30 129
31 144
32 146
33 147
34 148
35 156
36 158
37 160
38 168
39 170
40 172
41 180
42 182
43 183
44 184
45 185
46 210
47 215
48 432
49 434
50 435
51 436
52 444
53 446
54 448
55 450
56 453
57 455

List of values

[2, 3, 4, 5, 12, 14, 16, 18, 21, 24, 26, 28, 30, 35, 72, 74, 75, 76, 84, 86, 88, 96, 98, 100, 108, 110, 111, 112, 126, 129, 144, 146, 147, 148, 156, 158, 160, 168, 170, 172, 180, 182, 183, 184, 185, 210, 215, 432, 434, 435, 436, 444, 446, 448, 450, 453, 455]

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

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