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A146734 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 3
9 9
10 19
11 33
12 65
13 207
14 775
15 3377
16 13307
17 53409
18 249201
19 1453605
20 9533963
21 70032903
22 523853865
23 4420682653

[1,1,1,1,1,1,1,3,9,19,33,65,207,775,3377,13307,
 53409,249201,1453605,9533963,70032903,523853865,
 4420682653]

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Last modified January 27 10:39 EST 2022. Contains 350607 sequences. (Running on oeis4.)