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A146693 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 3
6 9
7 23
8 49
9 265
10 1763
11 11689
12 76179
13 790941
14 10968467
15 170749547
16 2982674505
17 69135368821
18 2071835100571
19 74394376040387
20 3179634632557555 

[1,1,1,1,3,9,23,49,265,1763,11689,76179,790941,
 10968467,170749547,2982674505,69135368821,
 2071835100571,74394376040387,3179634632557555]

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Last modified January 31 22:24 EST 2023. Contains 359981 sequences. (Running on oeis4.)