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A146590 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 5
9 13
10 25
11 41
12 73
13 405
14 2087
15 9095
16 31781
17 109905
18 706437
19 6193961
20 52066515
21 395176419
22 2801856537
23 27230658787 

[1,1,1,1,1,1,1,5,13,25,41,73,405,2087,9095,31781,
 109905,706437,6193961,52066515,395176419,
 2801856537,27230658787]

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Last modified April 25 12:33 EDT 2024. Contains 371969 sequences. (Running on oeis4.)