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A146258 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 9
8 9
9 33
10 33
11 81
12 81
13 609
14 609
15 23953
16 23953
17 643873
18 643873
19 12050113
20 12050113
21 545308145
22 545308145 

[1,1,1,1,1,1,9,9,33,33,81,81,609,609,23953,23953,
 643873,643873,12050113,12050113,545308145,
 545308145]

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Last modified May 16 17:27 EDT 2024. Contains 372554 sequences. (Running on oeis4.)