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A218930
as a simple table
n
a(n)
0
1
1
1
2
1
3
1
4
2
5
3
6
4
7
5
8
6
9
8
10
11
11
14
12
19
13
23
[1,1,1,1,2,3,4,5,6,8,11,14,19,23]
