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A125686
as a simple table
n
a(n)
1
1
2
2
3
3
4
6
5
7
6
14
7
19
8
25
9
31
10
62
11
107
12
127
13
255
14
339
15
479
16
639
17
799
[1,2,3,6,7,14,19,25,31,62,107,127,255,339,479,639, 799]