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A146630 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 61
13 181
14 701
15 2981
16 12267
17 47389
18 212787
19 1164819
20 7692083
21 54594417
22 416739483
23 3346928919 

[1,1,1,1,1,1,1,3,9,19,33,61,181,701,2981,12267,
 47389,212787,1164819,7692083,54594417,416739483,
 3346928919]

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Last modified April 18 20:26 EDT 2024. Contains 371781 sequences. (Running on oeis4.)