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.

A261246 Positive integers D such that the generalized Pell equation X^2 - D Y^2 = 2 is soluble.

Table of values

n a(n)
1 2
2 7
3 14
4 23
5 31
6 34
7 46
8 47
9 62
10 71
11 79
12 94
13 98
14 103
15 119
16 127
17 142
18 151
19 158
20 167
21 191
22 194
23 199
24 206
25 223
26 238
27 239
28 254
29 263
30 271
31 287
32 302
33 311
34 322
35 334
36 343
37 359
38 367
39 382
40 383
41 386
42 391
43 398
44 431
45 439
46 446
47 463
48 478
49 479
50 482
51 487
52 503
53 511

List of values

[2, 7, 14, 23, 31, 34, 46, 47, 62, 71, 79, 94, 98, 103, 119, 127, 142, 151, 158, 167, 191, 194, 199, 206, 223, 238, 239, 254, 263, 271, 287, 302, 311, 322, 334, 343, 359, 367, 382, 383, 386, 391, 398, 431, 439, 446, 463, 478, 479, 482, 487, 503, 511]