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.

A190299 Squarefree semiprimes of the form 4k+1.

Table of values

n a(n)
1 21
2 33
3 57
4 65
5 69
6 77
7 85
8 93
9 129
10 133
11 141
12 145
13 161
14 177
15 185
16 201
17 205
18 209
19 213
20 217
21 221
22 237
23 249
24 253
25 265
26 301
27 305
28 309
29 321
30 329
31 341
32 365
33 377
34 381
35 393
36 413
37 417
38 437
39 445
40 453
41 469
42 473
43 481
44 485
45 489
46 493
47 497
48 501
49 505
50 517
51 533
52 537
53 545

List of values

[21, 33, 57, 65, 69, 77, 85, 93, 129, 133, 141, 145, 161, 177, 185, 201, 205, 209, 213, 217, 221, 237, 249, 253, 265, 301, 305, 309, 321, 329, 341, 365, 377, 381, 393, 413, 417, 437, 445, 453, 469, 473, 481, 485, 489, 493, 497, 501, 505, 517, 533, 537, 545]