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A215440
as a simple table
n
a(n)
1
1
2
3
3
5
4
9
5
65
6
71
7
225
8
269
9
651
10
843
11
1971
12
4851
13
13667
14
13961
15
33309
16
168111
[1,3,5,9,65,71,225,269,651,843,1971,4851,13667, 13961,33309,168111]