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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.

A352351 Primes "p" corresponding to the even numbers with exactly 1 pair of Goldbach partitions, (p,q) and (r,s) with p,q,r,s prime and p < r <= s < q, such that all integers in the open intervals (p,r) and (s,q) are composite.

Table of values

n a(n)
1 3
2 3
3 5
4 3
5 3
6 11
7 3
8 3
9 23
10 13
11 31
12 31
13 47
14 61
15 3
16 23
17 31
18 53
19 31
20 61
21 61
22 73
23 73
24 3
25 83
26 3
27 23
28 31
29 151
30 61
31 83
32 73
33 31
34 131
35 23
36 131
37 131
38 61
39 131
40 31
41 199
42 151
43 61
44 73
45 73
46 3
47 31
48 151
49 157
50 61
51 73
52 251
53 151
54 157
55 3
56 31
57 131
58 23
59 151
60 157

List of values

[3, 3, 5, 3, 3, 11, 3, 3, 23, 13, 31, 31, 47, 61, 3, 23, 31, 53, 31, 61, 61, 73, 73, 3, 83, 3, 23, 31, 151, 61, 83, 73, 31, 131, 23, 131, 131, 61, 131, 31, 199, 151, 61, 73, 73, 3, 31, 151, 157, 61, 73, 251, 151, 157, 3, 31, 131, 23, 151, 157]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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