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.

A309769 Even numbers m having at least one odd prime divisor p for which there exists a positive integer k < p-1 such that p-k|m-k.

Table of values

n a(n)
1 20
2 28
3 42
4 44
5 50
6 52
7 66
8 68
9 70
10 76
11 78
12 80
13 88
14 92
15 102
16 104
17 110
18 112
19 114
20 116
21 124
22 130
23 136
24 138
25 140
26 148
27 152
28 154
29 156
30 164
31 170
32 172
33 174
34 176
35 182
36 184
37 186
38 188
39 190
40 196
41 200
42 204
43 208
44 212
45 222
46 228
47 230
48 232
49 236
50 238
51 242
52 244
53 246
54 248
55 252

List of values

[20, 28, 42, 44, 50, 52, 66, 68, 70, 76, 78, 80, 88, 92, 102, 104, 110, 112, 114, 116, 124, 130, 136, 138, 140, 148, 152, 154, 156, 164, 170, 172, 174, 176, 182, 184, 186, 188, 190, 196, 200, 204, 208, 212, 222, 228, 230, 232, 236, 238, 242, 244, 246, 248, 252]

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

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