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A014554
as a simple table
n
a(n)
0
2
1
4
2
5
3
7
4
8
5
11
6
13
7
16
8
17
9
19
10
37
11
41
12
47
13
53
14
61
15
71
16
79
17
113
18
313
19
353
[2,4,5,7,8,11,13,16,17,19,37,41,47,53,61,71,79, 113,313,353]