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A135452
as a simple table
n
a(n)
1
1
2
1
3
2
4
3
5
6
6
10
7
20
8
33
9
71
10
117
11
242
12
421
13
877
14
1468
[1,1,2,3,6,10,20,33,71,117,242,421,877,1468]