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.

A228141 Numbers that are congruent to {1, 5} mod 20.

Table of values

n a(n)
1 1
2 5
3 21
4 25
5 41
6 45
7 61
8 65
9 81
10 85
11 101
12 105
13 121
14 125
15 141
16 145
17 161
18 165
19 181
20 185
21 201
22 205
23 221
24 225
25 241
26 245
27 261
28 265
29 281
30 285
31 301
32 305
33 321
34 325
35 341
36 345
37 361
38 365
39 381
40 385
41 401
42 405
43 421
44 425
45 441
46 445
47 461
48 465
49 481
50 485
51 501
52 505
53 521
54 525

List of values

[1, 5, 21, 25, 41, 45, 61, 65, 81, 85, 101, 105, 121, 125, 141, 145, 161, 165, 181, 185, 201, 205, 221, 225, 241, 245, 261, 265, 281, 285, 301, 305, 321, 325, 341, 345, 361, 365, 381, 385, 401, 405, 421, 425, 441, 445, 461, 465, 481, 485, 501, 505, 521, 525]