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A371218
as a simple table
n
a(n)
1
3
2
6
3
7
4
12
5
15
6
16
7
19
8
30
9
33
10
34
11
39
12
42
13
43
14
46
15
55
[3,6,7,12,15,16,19,30,33,34,39,42,43,46,55]
