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A147123 as a simple table

n a(n)
1 1
2 1
3 1
4 9
5 33
6 105
7 641
8 8787
9 211111
10 4653287
11 141740021
12 6813049829
13 531641820663

[1,1,1,9,33,105,641,8787,211111,4653287,141740021,
 6813049829,531641820663]

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Last modified February 26 04:47 EST 2024. Contains 370335 sequences. (Running on oeis4.)