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A215801
as a simple table
n
a(n)
1
3
2
7
3
13
4
19
5
31
6
37
7
43
8
61
9
67
10
73
11
79
12
109
13
127
14
139
15
151
16
199
17
277
18
313
19
433
20
457
21
547
22
613
23
619
24
643
25
739
26
967
[3,7,13,19,31,37,43,61,67,73,79,109,127,139,151, 199,277,313,433,457,547,613,619,643,739,967]
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Last modified April 19 15:34 EDT 2024. Contains 371794 sequences. (Running on oeis4.)