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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.

A197861 Prime divisor of n which appears the fewest times previously in the sequence, with ties to the smaller prime.

Table of values

n a(n)
2 2
3 3
4 2
5 5
6 3
7 7
8 2
9 3
10 5
11 11
12 2
13 13
14 7
15 5
16 2
17 17
18 3
19 19
20 5
21 7
22 11
23 23
24 3
25 5
26 13
27 3
28 7
29 29
30 2
31 31
32 2
33 11
34 17
35 7
36 3
37 37
38 19
39 13
40 5
41 41
42 7
43 43
44 11
45 5
46 23
47 47
48 2
49 7
50 5
51 17
52 13
53 53
54 3
55 11
56 7
57 19
58 29
59 59
60 2
61 61
62 31
63 3
64 2
65 13
66 11
67 67
68 17
69 23
70 5
71 71
72 3
73 73
74 37
75 5
76 19

List of values

[2, 3, 2, 5, 3, 7, 2, 3, 5, 11, 2, 13, 7, 5, 2, 17, 3, 19, 5, 7, 11, 23, 3, 5, 13, 3, 7, 29, 2, 31, 2, 11, 17, 7, 3, 37, 19, 13, 5, 41, 7, 43, 11, 5, 23, 47, 2, 7, 5, 17, 13, 53, 3, 11, 7, 19, 29, 59, 2, 61, 31, 3, 2, 13, 11, 67, 17, 23, 5, 71, 3, 73, 37, 5, 19]

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