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A374962
as a simple table
n
a(n)
1
1
2
3
3
4
4
7
5
8
6
13
7
14
8
20
9
26
10
50
11
55
12
58
13
90
14
140
15
270
16
314
17
603
[1,3,4,7,8,13,14,20,26,50,55,58,90,140,270,314, 603]