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A146133 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 3
7 17
8 33
9 85
10 255
11 1137
12 4265
13 27311
14 122911
15 972783
16 6003645
17 62308027
18 499428829
19 6712583897
20 70003989585
21 1225387976695
22 16725199996985 

[1,1,1,1,1,3,17,33,85,255,1137,4265,27311,122911,
 972783,6003645,62308027,499428829,6712583897,
 70003989585,1225387976695,16725199996985]

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Last modified April 18 16:22 EDT 2024. Contains 371780 sequences. (Running on oeis4.)