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A146413 as a simple table

n a(n)
1 1
2 1
3 1
4 9
5 29
6 137
7 1117
8 13601
9 257342
10 6436423
11 229848194
12 12134224575
13 927491358387

[1,1,1,9,29,137,1117,13601,257342,6436423,
 229848194,12134224575,927491358387]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)