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A146999 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 2
8 3
9 5
10 7
11 13
12 19
13 53
14 121
15 389
16 940
17 3064
18 7695
19 29728
20 97515
21 493327
22 1920641
23 10778992
24 46183271
25 290012194
26 1476840183
27 11445253811

[1,1,1,1,1,1,2,3,5,7,13,19,53,121,389,940,3064,
 7695,29728,97515,493327,1920641,10778992,46183271,
 290012194,1476840183,11445253811]

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Last modified January 16 04:59 EST 2022. Contains 350374 sequences. (Running on oeis4.)