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.

A130771 Numbers n not divisible by 3 for which neither 2n-3 nor 2n+3 are primes.

Table of values

n a(n)
1 26
2 44
3 59
4 61
5 79
6 86
7 103
8 106
9 109
10 125
11 128
12 131
13 146
14 149
15 151
16 161
17 163
18 166
19 169
20 179
21 184
22 187
23 194
24 205
25 224
26 236
27 239
28 254
29 257
30 265
31 266
32 268
33 271
34 274
35 278
36 281
37 289
38 293
39 296
40 304
41 313
42 316
43 326
44 334
45 341
46 346
47 350
48 355
49 359
50 364
51 367
52 376
53 389
54 391

List of values

[26, 44, 59, 61, 79, 86, 103, 106, 109, 125, 128, 131, 146, 149, 151, 161, 163, 166, 169, 179, 184, 187, 194, 205, 224, 236, 239, 254, 257, 265, 266, 268, 271, 274, 278, 281, 289, 293, 296, 304, 313, 316, 326, 334, 341, 346, 350, 355, 359, 364, 367, 376, 389, 391]