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A147076 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 3
6 1
7 19
8 9
9 139
10 27
11 2920
12 1117
13 150482
14 41401
15 10982835
16 1602485
17 1208797417
18 157953713
19 292923653699
20 29971826239
21 128550895495446
22 9240996121217

[1,1,1,1,3,1,19,9,139,27,2920,1117,150482,41401,
 10982835,1602485,1208797417,157953713,
 292923653699,29971826239,128550895495446,
 9240996121217]

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Last modified February 8 14:10 EST 2023. Contains 360146 sequences. (Running on oeis4.)