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A147166 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 5
10 13
11 25
12 47
13 123
14 369
15 1165
16 4187
17 18445
18 79415
19 399577
20 2091817
21 12535539
22 80500731

[1,1,1,1,1,1,1,1,5,13,25,47,123,369,1165,4187,
 18445,79415,399577,2091817,12535539,80500731]

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Last modified February 20 17:36 EST 2024. Contains 370215 sequences. (Running on oeis4.)