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A146667 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 17
8 31
9 603
10 1115
11 11773
12 31193
13 660175
14 1987061
15 224682951
16 885526067
17 157313783505
18 768394153739
19 158904168376893
20 960773446522435
21 410688920693142221
22 3062625865459683273

[1,1,1,1,1,1,17,31,603,1115,11773,31193,660175,
 1987061,224682951,885526067,157313783505,
 768394153739,158904168376893,960773446522435,
 410688920693142221,3062625865459683273]

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Last modified January 28 15:20 EST 2022. Contains 350657 sequences. (Running on oeis4.)