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.

A084109 n is congruent to 1 (mod 4) and is not the sum of two squares.

Table of values

n a(n)
1 21
2 33
3 57
4 69
5 77
6 93
7 105
8 129
9 133
10 141
11 161
12 165
13 177
14 189
15 201
16 209
17 213
18 217
19 237
20 249
21 253
22 273
23 285
24 297
25 301
26 309
27 321
28 329
29 341
30 345
31 357
32 381
33 385
34 393
35 413
36 417
37 429
38 437
39 453
40 465
41 469
42 473
43 489
44 497

List of values

[21, 33, 57, 69, 77, 93, 105, 129, 133, 141, 161, 165, 177, 189, 201, 209, 213, 217, 237, 249, 253, 273, 285, 297, 301, 309, 321, 329, 341, 345, 357, 381, 385, 393, 413, 417, 429, 437, 453, 465, 469, 473, 489, 497]