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A147098 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 3
6 7
7 13
8 29
9 143
10 539
11 2419
12 11799
13 70509
14 422003
15 3669313
16 30560805
17 384390343 

[1,1,1,1,3,7,13,29,143,539,2419,11799,70509,
 422003,3669313,30560805,384390343]

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Last modified April 25 10:01 EDT 2024. Contains 371967 sequences. (Running on oeis4.)