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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.

A266952 Least prime p such that p-2 and 6n-p and 6n+2-p are also prime, or 0 if no such prime exists.

Table of values

n a(n)
0 0
1 0
2 7
3 7
4 7
5 13
6 7
7 13
8 7
9 13
10 19
11 7
12 13
13 7
14 13
15 19
16 0
17 31
18 7
19 7
20 13
21 19
22 31
23 31
24 7
25 13
26 7
27 13
28 19
29 73
30 31
31 7
32 13
33 7
34 7
35 13
36 19
37 31
38 31
39 7
40 13
41 7
42 13
43 19
44 73
45 31
46 7
47 13
48 7
49 13
50 19
51 109
52 31
53 7
54 13
55 19
56 109
57 31
58 109
59 7
60 13
61 19
62 61
63 31
64 73
65 43
66 199
67 0
68 61
69 103
70 73
71 7
72 13
73 7
74 13
75 19
76 109
77 31
78 7
79 13
80 19
81 139
82 31
83 151
84 43
85 199
86 0
87 61
88 7
89 13
90 19
91 199
92 31
93 139
94 43

List of values

[0, 0, 7, 7, 7, 13, 7, 13, 7, 13, 19, 7, 13, 7, 13, 19, 0, 31, 7, 7, 13, 19, 31, 31, 7, 13, 7, 13, 19, 73, 31, 7, 13, 7, 7, 13, 19, 31, 31, 7, 13, 7, 13, 19, 73, 31, 7, 13, 7, 13, 19, 109, 31, 7, 13, 19, 109, 31, 109, 7, 13, 19, 61, 31, 73, 43, 199, 0, 61, 103, 73, 7, 13, 7, 13, 19, 109, 31, 7, 13, 19, 139, 31, 151, 43, 199, 0, 61, 7, 13, 19, 199, 31, 139, 43]

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

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