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A195952
as a simple table
n
a(n)
1
1
2
2
3
2
4
3
5
3
6
8
7
3
8
33
9
62
10
161
11
137
12
1336
13
2528
14
8851
15
25727
16
92540
17
377525
18
1909048
[1,2,2,3,3,8,3,33,62,161,137,1336,2528,8851,25727, 92540,377525,1909048]