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A146707 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 17
8 21
9 585
10 1175
11 13343
12 33851
13 942879
14 2905569
15 245036529
16 956768823
17 144790868423
18 705471995975
19 176283229110919
20 1066729101305901
21 506338112398505861
22 3798966398967548935

[1,1,1,1,1,1,17,21,585,1175,13343,33851,942879,
 2905569,245036529,956768823,144790868423,
 705471995975,176283229110919,1066729101305901,
 506338112398505861,3798966398967548935]

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Last modified October 22 01:48 EDT 2021. Contains 348160 sequences. (Running on oeis4.)