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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.

A205154 The index j such that n divides s(k)-s(j) for some j, where s(j)=(prime(j+1) + prime(j+2))/2.

Table of values

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

List of values

[1, 1, 2, 1, 1, 2, 1, 1, 2, 2, 1, 2, 1, 1, 2, 6, 1, 4, 5, 2, 3, 1, 1, 2, 3, 1, 4, 2, 7, 1, 13, 6, 2, 8, 1, 2, 11, 1, 2, 2, 1, 6, 7, 2, 5, 1, 3, 4, 5, 2, 3, 1, 20, 2, 3, 1, 4, 2, 10, 1, 5, 19, 2, 4, 1, 2, 3, 1, 4, 2, 5, 1, 8, 4, 2, 8, 1, 5, 8, 2]

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