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A147471 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 3
7 3
8 9
9 15
10 33
11 57
12 163
13 337
14 1301
15 3059
16 12941
17 34215
18 171133
19 573633
20 3343793
21 12826849
22 85459189
23 371588907
24 2938061259
25 15238544087
26 143663828309 

[1,1,1,1,1,3,3,9,15,33,57,163,337,1301,3059,12941,
 34215,171133,573633,3343793,12826849,85459189,
 371588907,2938061259,15238544087,143663828309]

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Last modified April 19 16:52 EDT 2024. Contains 371794 sequences. (Running on oeis4.)