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A147243 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 3
8 5
9 11
10 21
11 39
12 109
13 383
14 1291
15 5187
16 19147
17 85163
18 418695
19 2523925
20 15886439
21 116954773
22 866328129 

[1,1,1,1,1,1,3,5,11,21,39,109,383,1291,5187,19147,
 85163,418695,2523925,15886439,116954773,866328129]

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Last modified September 17 22:44 EDT 2024. Contains 375991 sequences. (Running on oeis4.)