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A093989 as a simple table

n a(n)
1 1
2 1
3 6
4 35
5 290
6 2714
7 27524
8 291073
9 3166124
10 35169275
11 397047529
12 4541672859
13 52510998347

[1,1,6,35,290,2714,27524,291073,3166124,35169275,
 397047529,4541672859,52510998347]

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Last modified June 10 13:58 EDT 2023. Contains 363205 sequences. (Running on oeis4.)