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A147129 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 7
9 25
10 45
11 79
12 171
13 569
14 1763
15 6023
16 22593
17 106741
18 481403
19 2734225
20 13695379
21 86954465 

[1,1,1,1,1,1,1,7,25,45,79,171,569,1763,6023,22593,
 106741,481403,2734225,13695379,86954465]

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Last modified March 26 04:20 EDT 2023. Contains 361529 sequences. (Running on oeis4.)