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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.

A309363 Van Eck's sequence (cf. A181391), but outputting 2 for a new number, not 0.

Table of values

n a(n)
1 0
2 2
3 2
4 1
5 2
6 2
7 1
8 3
9 2
10 3
11 2
12 2
13 1
14 6
15 2
16 3
17 6
18 3
19 2
20 4
21 2
22 2
23 1
24 10
25 2
26 3
27 8
28 2
29 3
30 3
31 1
32 8
33 5
34 2
35 6
36 18
37 2
38 3
39 8
40 7
41 2
42 4
43 22
44 2
45 3
46 7
47 6
48 12
49 2
50 5
51 17
52 2
53 3
54 8
55 15
56 2
57 4
58 15
59 3
60 6
61 13
62 2
63 6
64 3
65 5
66 15
67 8
68 13
69 7
70 23
71 2
72 9
73 2
74 2
75 1
76 44

List of values

[0, 2, 2, 1, 2, 2, 1, 3, 2, 3, 2, 2, 1, 6, 2, 3, 6, 3, 2, 4, 2, 2, 1, 10, 2, 3, 8, 2, 3, 3, 1, 8, 5, 2, 6, 18, 2, 3, 8, 7, 2, 4, 22, 2, 3, 7, 6, 12, 2, 5, 17, 2, 3, 8, 15, 2, 4, 15, 3, 6, 13, 2, 6, 3, 5, 15, 8, 13, 7, 23, 2, 9, 2, 2, 1, 44]

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