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A147249 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 1
10 1
11 13
12 13
13 41
14 41
15 245
16 245
17 1633
18 1633
19 20989
20 20989
21 305457
22 305457
23 6244799
24 6244799
25 168722653
26 168722653 

[1,1,1,1,1,1,1,1,1,1,13,13,41,41,245,245,1633,
 1633,20989,20989,305457,305457,6244799,6244799,
 168722653,168722653]

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)