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A146704 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 75
11 183
12 643
13 2215
14 9883
15 45633
16 225733
17 1239851
18 7715029
19 52987121
20 415234347
21 3530586371
22 34390495263

[1,1,1,1,1,1,3,19,43,75,183,643,2215,9883,45633,
 225733,1239851,7715029,52987121,415234347,
 3530586371,34390495263]

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Last modified October 16 15:22 EDT 2021. Contains 348042 sequences. (Running on oeis4.)