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A216642 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 2
8 2
9 5
10 11
11 25
12 51
13 136
14 367
15 886
16 2507
17 6986
18 20453
19 60708
20 172073
21 524771
22 1628140
23 5085497

[1,1,1,1,1,1,2,2,5,11,25,51,136,367,886,2507,6986,
 20453,60708,172073,524771,1628140,5085497]

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Last modified April 19 16:08 EDT 2024. Contains 371794 sequences. (Running on oeis4.)