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.

A081767 Numbers k such that k^2 - 1 divides binomial(2k,k).

Table of values

n a(n)
1 2
2 16
3 21
4 29
5 43
6 46
7 67
8 78
9 89
10 92
11 105
12 111
13 141
14 154
15 157
16 171
17 188
18 191
19 205
20 210
21 211
22 221
23 229
24 232
25 239
26 241
27 267
28 277
29 300
30 309
31 313
32 316
33 323
34 326
35 331
36 346
37 369
38 379
39 415
40 421
41 430
42 436
43 441
44 443
45 451
46 460
47 461
48 465
49 469
50 477
51 484
52 494
53 497
54 528

List of values

[2, 16, 21, 29, 43, 46, 67, 78, 89, 92, 105, 111, 141, 154, 157, 171, 188, 191, 205, 210, 211, 221, 229, 232, 239, 241, 267, 277, 300, 309, 313, 316, 323, 326, 331, 346, 369, 379, 415, 421, 430, 436, 441, 443, 451, 460, 461, 465, 469, 477, 484, 494, 497, 528]