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A146672 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 3
8 19
9 43
10 71
11 159
12 607
13 2057
14 8951
15 43111
16 227107
17 1266527
18 7483327
19 50232185
20 389882233
21 3353662007

[1,1,1,1,1,1,3,19,43,71,159,607,2057,8951,43111,
 227107,1266527,7483327,50232185,389882233,
 3353662007]

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Last modified November 26 21:07 EST 2021. Contains 349344 sequences. (Running on oeis4.)