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.

A350958 Positive numbers k such that 2k cannot be written as 3^i (i >= 0) plus a prime.

Table of values

n a(n)
1 1
2 18
3 33
4 39
5 48
6 60
7 63
8 72
9 78
10 81
11 93
12 102
13 105
14 108
15 111
16 138
17 144
18 150
19 153
20 162
21 164
22 165
23 168
24 171
25 183
26 186
27 189
28 198
29 204
30 207
31 213
32 219
33 228
34 237
35 243
36 249
37 258
38 264
39 267
40 270
41 273
42 276
43 281
44 288
45 291
46 303
47 306
48 312
49 315
50 318
51 333
52 336
53 345
54 348
55 354
56 357

List of values

[1, 18, 33, 39, 48, 60, 63, 72, 78, 81, 93, 102, 105, 108, 111, 138, 144, 150, 153, 162, 164, 165, 168, 171, 183, 186, 189, 198, 204, 207, 213, 219, 228, 237, 243, 249, 258, 264, 267, 270, 273, 276, 281, 288, 291, 303, 306, 312, 315, 318, 333, 336, 345, 348, 354, 357]