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A121152
as a simple table
n
a(n)
0
1
1
1
2
2
3
3
4
4
5
6
6
10
7
13
8
19
9
26
10
38
11
52
12
70
13
91
14
123
15
161
[1,1,2,3,4,6,10,13,19,26,38,52,70,91,123,161]