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A146372 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 13
7 27
8 135
9 531
10 2573
11 17743
12 176473
13 1599401
14 23234641
15 323134671
16 6982586189
17 150620917453
18 4817580729223
19 154870862911911 

[1,1,1,1,1,13,27,135,531,2573,17743,176473,
 1599401,23234641,323134671,6982586189,
 150620917453,4817580729223,154870862911911]

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Last modified April 24 17:20 EDT 2024. Contains 371962 sequences. (Running on oeis4.)