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.

A240173 Numbers n such that k^n - 2^k is not prime for any k.

Table of values

n a(n)
1 1
2 2
3 13
4 43
5 45
6 51
7 53
8 55
9 57
10 63
11 72
12 77
13 81
14 84
15 85
16 89
17 93
18 103
19 108
20 117
21 121
22 129
23 147
24 149
25 151
26 163
27 171
28 173
29 177
30 183
31 191
32 213
33 229
34 231
35 239
36 241
37 250
38 259
39 261
40 263
41 273
42 283
43 286
44 291
45 321
46 331
47 333
48 344
49 345
50 351
51 353
52 361
53 373
54 381
55 390
56 399

List of values

[1, 2, 13, 43, 45, 51, 53, 55, 57, 63, 72, 77, 81, 84, 85, 89, 93, 103, 108, 117, 121, 129, 147, 149, 151, 163, 171, 173, 177, 183, 191, 213, 229, 231, 239, 241, 250, 259, 261, 263, 273, 283, 286, 291, 321, 331, 333, 344, 345, 351, 353, 361, 373, 381, 390, 399]