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.

A221309 Numbers m such that no subset of {m-1, m, m+1} sums up to a prime number.

Table of values

n a(n)
1 25
2 77
3 85
4 92
5 93
6 94
7 118
8 122
9 123
10 124
11 133
12 143
13 144
14 145
15 160
16 161
17 170
18 171
19 185
20 188
21 202
22 203
23 206
24 207
25 208
26 213
27 214
28 218
29 235
30 236
31 237
32 247
33 248
34 253
35 259
36 265
37 266
38 267
39 275
40 287
41 290
42 291
43 295
44 298
45 302
46 305
47 319
48 325
49 328
50 333
51 334
52 335
53 340

List of values

[25, 77, 85, 92, 93, 94, 118, 122, 123, 124, 133, 143, 144, 145, 160, 161, 170, 171, 185, 188, 202, 203, 206, 207, 208, 213, 214, 218, 235, 236, 237, 247, 248, 253, 259, 265, 266, 267, 275, 287, 290, 291, 295, 298, 302, 305, 319, 325, 328, 333, 334, 335, 340]