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.

A093680 Sequence contains no 3-term arithmetic progression, starting with 1, 19.

Table of values

n a(n)
1 1
2 19
3 20
4 22
5 23
6 28
7 29
8 31
9 32
10 46
11 47
12 49
13 50
14 56
15 58
16 59
17 82
18 100
19 101
20 103
21 104
22 109
23 110
24 112
25 113
26 127
27 128
28 130
29 131
30 137
31 139
32 140
33 244
34 262
35 263
36 265
37 266
38 271
39 272
40 274
41 275
42 289
43 290
44 292
45 293
46 299
47 301
48 302
49 325
50 343
51 344
52 346
53 347
54 352
55 353

List of values

[1, 19, 20, 22, 23, 28, 29, 31, 32, 46, 47, 49, 50, 56, 58, 59, 82, 100, 101, 103, 104, 109, 110, 112, 113, 127, 128, 130, 131, 137, 139, 140, 244, 262, 263, 265, 266, 271, 272, 274, 275, 289, 290, 292, 293, 299, 301, 302, 325, 343, 344, 346, 347, 352, 353]