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A146648 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 7
8 13
9 45
10 61
11 187
12 447
13 2017
14 5419
15 35435
16 111161
17 866245
18 3379807
19 30738337
20 147143823
21 1633304661 

[1,1,1,1,1,1,7,13,45,61,187,447,2017,5419,35435,
 111161,866245,3379807,30738337,147143823,
 1633304661]

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Last modified April 16 18:22 EDT 2024. Contains 371750 sequences. (Running on oeis4.)