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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.

A038194 Iterated sum-of-digits of n-th prime; or digital root of n-th prime; or n-th prime modulo 9.

Table of values

n a(n)
1 2
2 3
3 5
4 7
5 2
6 4
7 8
8 1
9 5
10 2
11 4
12 1
13 5
14 7
15 2
16 8
17 5
18 7
19 4
20 8
21 1
22 7
23 2
24 8
25 7
26 2
27 4
28 8
29 1
30 5
31 1
32 5
33 2
34 4
35 5
36 7
37 4
38 1
39 5
40 2
41 8
42 1
43 2
44 4
45 8
46 1
47 4
48 7
49 2
50 4
51 8
52 5
53 7
54 8
55 5
56 2
57 8
58 1
59 7
60 2
61 4
62 5
63 1
64 5
65 7
66 2
67 7
68 4
69 5
70 7
71 2
72 8
73 7
74 4
75 1
76 5
77 2
78 1
79 5
80 4
81 5
82 7
83 8
84 1
85 7
86 2
87 8

List of values

[2, 3, 5, 7, 2, 4, 8, 1, 5, 2, 4, 1, 5, 7, 2, 8, 5, 7, 4, 8, 1, 7, 2, 8, 7, 2, 4, 8, 1, 5, 1, 5, 2, 4, 5, 7, 4, 1, 5, 2, 8, 1, 2, 4, 8, 1, 4, 7, 2, 4, 8, 5, 7, 8, 5, 2, 8, 1, 7, 2, 4, 5, 1, 5, 7, 2, 7, 4, 5, 7, 2, 8, 7, 4, 1, 5, 2, 1, 5, 4, 5, 7, 8, 1, 7, 2, 8]

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