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.

A261522 Positive integers k such that x^2 - 23xy + y^2 + k = 0 has integer solutions.

Table of values

n a(n)
1 21
2 41
3 59
4 75
5 84
6 89
7 101
8 111
9 119
10 125
11 129
12 131
13 164
14 189
15 201
16 236
17 251
18 269
19 300
20 311
21 329
22 336
23 356
24 369
25 381
26 404
27 419
28 425
29 444
30 461
31 476
32 479
33 489
34 500
35 509
36 516
37 521
38 524
39 525
40 531
41 579
42 581
43 629
44 656
45 675
46 719
47 731
48 756
49 761
50 801
51 804
52 831
53 839

List of values

[21, 41, 59, 75, 84, 89, 101, 111, 119, 125, 129, 131, 164, 189, 201, 236, 251, 269, 300, 311, 329, 336, 356, 369, 381, 404, 419, 425, 444, 461, 476, 479, 489, 500, 509, 516, 521, 524, 525, 531, 579, 581, 629, 656, 675, 719, 731, 756, 761, 801, 804, 831, 839]