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.

A002334 Least positive integer x such that prime A038873(n) = x^2 - 2y^2 for some y.

Table of values

n a(n)
1 2
2 3
3 5
4 5
5 7
6 7
7 7
8 11
9 9
10 9
11 11
12 13
13 11
14 11
15 15
16 13
17 13
18 13
19 17
20 15
21 19
22 15
23 19
24 17
25 21
26 17
27 19
28 17
29 17
30 19
31 21
32 25
33 19
34 19
35 23
36 25
37 23
38 21
39 23
40 21
41 21
42 29
43 23
44 25
45 23
46 27
47 29
48 23
49 31
50 33
51 25
52 29
53 27
54 25
55 25
56 27
57 29
58 35
59 31
60 31
61 27
62 29
63 33
64 31
65 29
66 29
67 29
68 29
69 37
70 31
71 41
72 35

List of values

[2, 3, 5, 5, 7, 7, 7, 11, 9, 9, 11, 13, 11, 11, 15, 13, 13, 13, 17, 15, 19, 15, 19, 17, 21, 17, 19, 17, 17, 19, 21, 25, 19, 19, 23, 25, 23, 21, 23, 21, 21, 29, 23, 25, 23, 27, 29, 23, 31, 33, 25, 29, 27, 25, 25, 27, 29, 35, 31, 31, 27, 29, 33, 31, 29, 29, 29, 29, 37, 31, 41, 35]

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

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