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A146858 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 5
7 17
8 43
9 153
10 711
11 4787
12 36997
13 323223
14 3456487
15 47029493
16 778875019
17 15666901145
18 390119856899
19 11978383979491
20 447614381910255
21 20341843546977767

[1,1,1,1,1,5,17,43,153,711,4787,36997,323223,
 3456487,47029493,778875019,15666901145,
 390119856899,11978383979491,447614381910255,
 20341843546977767]

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Last modified November 30 08:36 EST 2022. Contains 358438 sequences. (Running on oeis4.)