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.

A186294 (A007519(n)+1)/2.

Table of values

n a(n)
1 9
2 21
3 37
4 45
5 49
6 57
7 69
8 97
9 117
10 121
11 129
12 141
13 157
14 169
15 177
16 201
17 205
18 217
19 225
20 229
21 261
22 285
23 289
24 297
25 301
26 309
27 321
28 337
29 381
30 385
31 405
32 429
33 441
34 465
35 469
36 477
37 489
38 505
39 517
40 525
41 549
42 565
43 577
44 597
45 601
46 609
47 625
48 645
49 649
50 661
51 681

List of values

[9, 21, 37, 45, 49, 57, 69, 97, 117, 121, 129, 141, 157, 169, 177, 201, 205, 217, 225, 229, 261, 285, 289, 297, 301, 309, 321, 337, 381, 385, 405, 429, 441, 465, 469, 477, 489, 505, 517, 525, 549, 565, 577, 597, 601, 609, 625, 645, 649, 661, 681]