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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.

A377607 Positive integers D such that the generalized Pell equation X^2 - D Y^2 = 3 is solvable over the integers.

Table of values

n a(n)
1 1
2 6
3 13
4 22
5 33
6 46
7 61
8 69
9 73
10 78
11 94
12 97
13 109
14 118
15 141
16 157
17 166
18 177
19 181
20 193
21 213
22 214
23 222
24 241
25 249
26 253
27 262
28 277
29 286
30 313
31 321
32 334
33 337
34 358
35 366
36 382
37 393
38 397
39 409
40 421
41 429
42 433
43 438
44 454
45 457
46 478
47 481
48 501
49 502
50 517
51 526
52 537
53 541
54 573
55 598
56 601
57 613
58 622
59 649
60 654
61 661

List of values

[1, 6, 13, 22, 33, 46, 61, 69, 73, 78, 94, 97, 109, 118, 141, 157, 166, 177, 181, 193, 213, 214, 222, 241, 249, 253, 262, 277, 286, 313, 321, 334, 337, 358, 366, 382, 393, 397, 409, 421, 429, 433, 438, 454, 457, 478, 481, 501, 502, 517, 526, 537, 541, 573, 598, 601, 613, 622, 649, 654, 661]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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