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A147466
as a simple table
n
a(n)
1
1
2
1
3
1
4
1
5
1
6
9
7
21
8
63
9
297
10
1127
11
5413
12
31109
13
218667
14
1954511
15
18966855
16
237663851
17
3316716099
18
56055493989
[1,1,1,1,1,9,21,63,297,1127,5413,31109,218667, 1954511,18966855,237663851,3316716099,56055493989]
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Last modified April 25 11:06 EDT 2024. Contains 371967 sequences. (Running on oeis4.)
