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A147173 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 3
7 11
8 27
9 57
10 269
11 1741
12 11383
13 71261
14 614161
15 7140843
16 99666239
17 1560593149
18 29491532325
19 702793762267
20 20557975075647 

[1,1,1,1,1,3,11,27,57,269,1741,11383,71261,614161,
 7140843,99666239,1560593149,29491532325,
 702793762267,20557975075647]

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Last modified September 12 03:03 EDT 2024. Contains 375842 sequences. (Running on oeis4.)