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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.

A371012 The largest prime that divides the n-th number that is the sum of 2 squares; a(2) = 1.

Table of values

n a(n)
2 1
3 2
4 2
5 5
6 2
7 3
8 5
9 13
10 2
11 17
12 3
13 5
14 5
15 13
16 29
17 2
18 17
19 3
20 37
21 5
22 41
23 5
24 7
25 5
26 13
27 53
28 29
29 61
30 2
31 13
32 17
33 3
34 73
35 37
36 5
37 3
38 41
39 17
40 89
41 5
42 97
43 7
44 5
45 101
46 13
47 53
48 109
49 113
50 29
51 13
52 11
53 61
54 5
55 2
56 13
57 17
58 137
59 3
60 29
61 73
62 37
63 149
64 17
65 157
66 5
67 3
68 41
69 13
70 17
71 173
72 89

List of values

[1, 2, 2, 5, 2, 3, 5, 13, 2, 17, 3, 5, 5, 13, 29, 2, 17, 3, 37, 5, 41, 5, 7, 5, 13, 53, 29, 61, 2, 13, 17, 3, 73, 37, 5, 3, 41, 17, 89, 5, 97, 7, 5, 101, 13, 53, 109, 113, 29, 13, 11, 61, 5, 2, 13, 17, 137, 3, 29, 73, 37, 149, 17, 157, 5, 3, 41, 13, 17, 173, 89]

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

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