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A063404 as a simple table

n a(n)
0 1
1 1
2 1
3 5
4 9
5 21
6 81
7 301
8 2105
9 26869
10 662881
11 57251101
12 17868890441
13 37968593886405
14 1023051637915653489
15 678457667444617722784941
16 38843832843299593293720040241881
17 694097227974493731990570304927658701989461

[1,1,1,5,9,21,81,301,2105,26869,662881,57251101,
 17868890441,37968593886405,1023051637915653489,
 678457667444617722784941,
 38843832843299593293720040241881,
 694097227974493731990570304927658701989461]

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Last modified July 16 00:06 EDT 2024. Contains 374343 sequences. (Running on oeis4.)