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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.

A133204 Primes p such that the non-Pellian equation x^2-2py^2=-1 is solvable.

Table of values

n a(n)
1 5
2 13
3 29
4 37
5 41
6 53
7 61
8 101
9 109
10 113
11 137
12 149
13 157
14 173
15 181
16 197
17 229
18 269
19 277
20 293
21 313
22 317
23 349
24 373
25 389
26 397
27 409
28 421
29 457
30 461
31 509
32 521
33 541
34 557
35 569
36 613
37 653
38 661
39 677
40 701
41 709
42 733
43 757
44 761
45 773
46 797
47 809
48 821
49 829
50 853
51 857
52 877
53 941

List of values

[5, 13, 29, 37, 41, 53, 61, 101, 109, 113, 137, 149, 157, 173, 181, 197, 229, 269, 277, 293, 313, 317, 349, 373, 389, 397, 409, 421, 457, 461, 509, 521, 541, 557, 569, 613, 653, 661, 677, 701, 709, 733, 757, 761, 773, 797, 809, 821, 829, 853, 857, 877, 941]