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A147070 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 3
8 9
9 19
10 61
11 211
12 741
13 3813
14 22505
15 147447
16 1175399
17 10583799
18 109540847
19 1364336983
20 19785643957
21 336137809321
22 6744593577357
23 157257981066897

[1,1,1,1,1,1,3,9,19,61,211,741,3813,22505,147447,
 1175399,10583799,109540847,1364336983,19785643957,
 336137809321,6744593577357,157257981066897]

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Last modified September 30 14:38 EDT 2022. Contains 357106 sequences. (Running on oeis4.)