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A139795 formatted as a simple table:

n a(n)
1 1
2 3
3 7
4 7
5 13
6 13
7 19
8 19
9 31
10 31
11 31
12 31
13 43
14 43
15 43
16 43
17 61
18 61
19 61
20 61
21 67
22 67
23 67
24 67
25 91
26 91
27 91
28 91
29 91
30 91
31 91
32 91
33 121
34 121
35 121
36 121
37 127
38 127
39 127
40 127
41 151
42 151
43 151
44 151
45 151
46 151
47 151
48 151
49 211
50 211
51 211
52 211
53 211
54 211
55 211
56 211
57 211
58 211
59 211
60 211
61 211

[1,3,7,7,13,13,19,19,31,31,31,31,43,43,43,43,61,
 61,61,61,67,67,67,67,91,91,91,91,91,91,91,91,121,
 121,121,121,127,127,127,127,151,151,151,151,151,
 151,151,151,211,211,211,211,211,211,211,211,211,
 211,211,211,211]

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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