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.

A120226 Numbers k such that 4+k and 4*k+1 are prime.

Table of values

n a(n)
1 1
2 3
3 7
4 9
5 13
6 15
7 25
8 27
9 37
10 39
11 43
12 49
13 57
14 67
15 69
16 79
17 93
18 97
19 99
20 105
21 127
22 135
23 153
24 163
25 169
26 175
27 177
28 189
29 193
30 207
31 219
32 235
33 253
34 265
35 267
36 273
37 277
38 279
39 303
40 307
41 309
42 343
43 345
44 363
45 405
46 417
47 427
48 435
49 475
50 483
51 487
52 499
53 517
54 553
55 559
56 567
57 573

List of values

[1, 3, 7, 9, 13, 15, 25, 27, 37, 39, 43, 49, 57, 67, 69, 79, 93, 97, 99, 105, 127, 135, 153, 163, 169, 175, 177, 189, 193, 207, 219, 235, 253, 265, 267, 273, 277, 279, 303, 307, 309, 343, 345, 363, 405, 417, 427, 435, 475, 483, 487, 499, 517, 553, 559, 567, 573]