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A146800 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 17
8 31
9 559
10 1013
11 8291
12 23145
13 356907
14 1013595
15 108749189
16 407493401
17 61299279691
18 281660353619
19 43848445982931
20 246087198399431
21 73605493456575165
22 501006153269757647

[1,1,1,1,1,1,17,31,559,1013,8291,23145,356907,
 1013595,108749189,407493401,61299279691,
 281660353619,43848445982931,246087198399431,
 73605493456575165,501006153269757647]

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Last modified January 19 14:34 EST 2022. Contains 350466 sequences. (Running on oeis4.)