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A060243
as a simple table
n
a(n)
0
1
1
1
2
1
3
2
4
2
5
2
6
3
7
4
8
4
9
3
10
5
11
7
12
9
13
7
14
5
15
7
16
12
17
16
18
16
19
12
20
7
21
11
22
19
23
29
24
31
25
29
26
19
27
11
[1,1,1,2,2,2,3,4,4,3,5,7,9,7,5,7,12,16,16,12,7,11, 19,29,31,29,19,11]