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.

A176256 Numbers of the form 4k+1 with least prime divisor of the form 4m-1.

Table of values

n a(n)
1 9
2 21
3 33
4 45
5 49
6 57
7 69
8 77
9 81
10 93
11 105
12 117
13 121
14 129
15 133
16 141
17 153
18 161
19 165
20 177
21 189
22 201
23 209
24 213
25 217
26 225
27 237
28 249
29 253
30 261
31 273
32 285
33 297
34 301
35 309
36 321
37 329
38 333
39 341
40 345
41 357
42 361
43 369
44 381
45 393
46 405
47 413
48 417
49 429
50 437
51 441
52 453
53 465
54 469

List of values

[9, 21, 33, 45, 49, 57, 69, 77, 81, 93, 105, 117, 121, 129, 133, 141, 153, 161, 165, 177, 189, 201, 209, 213, 217, 225, 237, 249, 253, 261, 273, 285, 297, 301, 309, 321, 329, 333, 341, 345, 357, 361, 369, 381, 393, 405, 413, 417, 429, 437, 441, 453, 465, 469]