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A147090 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 5
6 13
7 25
8 51
9 215
10 1059
11 6091
12 34649
13 217439
14 1714483
15 16064320
16 187492557

[1,1,1,1,5,13,25,51,215,1059,6091,34649,217439,
 1714483,16064320,187492557]

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)