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A146033 as a simple table

n a(n)
1 1
2 1
3 3
4 7
5 15
6 39
7 189
8 995
9 5569
10 37913
11 366061
12 4244909
13 58320195
14 974389263
15 20855855835
16 546928072163
17 17575257415665
18 693118931384501
19 34026835620030291
20 2054942936198627105
21 152983262052724174217

[1,1,3,7,15,39,189,995,5569,37913,366061,4244909,
 58320195,974389263,20855855835,546928072163,
 17575257415665,693118931384501,34026835620030291,
 2054942936198627105,152983262052724174217]

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Last modified January 24 07:06 EST 2022. Contains 350534 sequences. (Running on oeis4.)