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.

A082406 Numbers k such that k divides Sum_{j=1..k} binomial(2j,j).

Table of values

n a(n)
1 1
2 2
3 5
4 8
5 11
6 12
7 17
8 23
9 29
10 41
11 47
12 53
13 59
14 71
15 83
16 89
17 101
18 107
19 113
20 130
21 131
22 137
23 149
24 167
25 173
26 179
27 191
28 196
29 197
30 227
31 233
32 238
33 239
34 251
35 257
36 263
37 266
38 269
39 281
40 293
41 311
42 317
43 322
44 347
45 353
46 359
47 383
48 389
49 401
50 419
51 431
52 443
53 449
54 461
55 467
56 479

List of values

[1, 2, 5, 8, 11, 12, 17, 23, 29, 41, 47, 53, 59, 71, 83, 89, 101, 107, 113, 130, 131, 137, 149, 167, 173, 179, 191, 196, 197, 227, 233, 238, 239, 251, 257, 263, 266, 269, 281, 293, 311, 317, 322, 347, 353, 359, 383, 389, 401, 419, 431, 443, 449, 461, 467, 479]