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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.

A266948 Least prime p such that p-2 and 6n-p are also prime, or 0 if no such prime exists.

Table of values

n a(n)
0 0
1 0
2 5
3 5
4 5
5 7
6 5
7 5
8 5
9 7
10 7
11 5
12 5
13 5
14 5
15 7
16 7
17 5
18 5
19 5
20 7
21 13
22 5
23 7
24 5
25 13
26 5
27 5
28 5
29 7
30 7
31 5
32 13
33 5
34 5
35 13
36 5
37 31
38 5
39 5
40 7
41 5
42 13
43 7
44 7
45 7
46 5
47 5
48 5
49 13
50 7
51 13
52 5
53 5
54 7
55 13
56 5
57 5
58 31
59 5
60 7
61 7
62 5
63 5
64 5
65 7
66 7
67 5
68 7
69 5
70 19
71 5
72 13
73 5
74 5
75 7
76 7
77 5
78 5
79 7
80 13
81 7
82 5
83 7
84 5
85 7
86 7
87 13
88 5
89 13
90 19
91 5
92 5
93 109
94 7
95 7
96 5
97 5
98 19
99 7
100 7
101 5
102 5
103 5
104 5
105 13
106 5
107 43
108 5
109 7
110 7
111 5
112 13
113 5
114 7
115 7
116 5
117 19
118 7
119 5
120 19

List of values

[0, 0, 5, 5, 5, 7, 5, 5, 5, 7, 7, 5, 5, 5, 5, 7, 7, 5, 5, 5, 7, 13, 5, 7, 5, 13, 5, 5, 5, 7, 7, 5, 13, 5, 5, 13, 5, 31, 5, 5, 7, 5, 13, 7, 7, 7, 5, 5, 5, 13, 7, 13, 5, 5, 7, 13, 5, 5, 31, 5, 7, 7, 5, 5, 5, 7, 7, 5, 7, 5, 19, 5, 13, 5, 5, 7, 7, 5, 5, 7, 13, 7, 5, 7, 5, 7, 7, 13, 5, 13, 19, 5, 5, 109, 7, 7, 5, 5, 19, 7, 7, 5, 5, 5, 5, 13, 5, 43, 5, 7, 7, 5, 13, 5, 7, 7, 5, 19, 7, 5, 19]

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