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A146821 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 3
8 17
9 41
10 79
11 223
12 801
13 2615
14 9741
15 48585
16 263431
17 1569087
18 9472069
19 65995437
20 509339343
21 4406836165 

[1,1,1,1,1,1,3,17,41,79,223,801,2615,9741,48585,
 263431,1569087,9472069,65995437,509339343,
 4406836165]

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Last modified August 18 12:24 EDT 2024. Contains 375269 sequences. (Running on oeis4.)