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A024613
as a simple table
n
a(n)
1
7
2
13
3
19
4
21
5
28
6
31
7
37
8
39
9
43
10
49
11
52
12
57
13
61
14
63
15
67
16
73
17
76
18
79
19
84
20
91
21
93
22
97
23
103
24
109
[7,13,19,21,28,31,37,39,43,49,52,57,61,63,67,73, 76,79,84,91,93,97,103,109]