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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.

A242802 Number of primes p < n such that n - p is a term of A242754.

Table of values

n a(n)
1 0
2 0
3 0
4 1
5 2
6 2
7 2
8 2
9 4
10 2
11 2
12 2
13 4
14 3
15 4
16 3
17 3
18 3
19 3
20 5
21 4
22 3
23 5
24 5
25 3
26 4
27 2
28 3
29 3
30 4
31 2
32 3
33 4
34 5
35 3
36 4
37 2
38 3
39 3
40 5
41 3
42 5
43 4
44 7
45 3
46 3
47 5
48 7
49 4
50 7
51 6
52 4
53 5
54 9
55 5
56 5
57 5
58 5
59 6
60 9
61 4
62 5
63 8
64 6
65 8
66 6
67 4
68 6
69 8
70 5
71 10
72 7
73 6
74 8
75 9
76 5
77 14
78 10
79 6
80 7

List of values

[0, 0, 0, 1, 2, 2, 2, 2, 4, 2, 2, 2, 4, 3, 4, 3, 3, 3, 3, 5, 4, 3, 5, 5, 3, 4, 2, 3, 3, 4, 2, 3, 4, 5, 3, 4, 2, 3, 3, 5, 3, 5, 4, 7, 3, 3, 5, 7, 4, 7, 6, 4, 5, 9, 5, 5, 5, 5, 6, 9, 4, 5, 8, 6, 8, 6, 4, 6, 8, 5, 10, 7, 6, 8, 9, 5, 14, 10, 6, 7]

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