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A121752 as a simple table

n a(n)
1 1
2 2
3 7
4 39
5 235
6 1746
7 14166
8 132408
9 1341432
10 15148080
11 183764880
12 2435607360
13 34406268480
14 523839899520
15 8444375452800
16 145266278169600
17 2631329637350400
18 50481429165619200
19 1015073771517388800

[1,2,7,39,235,1746,14166,132408,1341432,15148080,
 183764880,2435607360,34406268480,523839899520,
 8444375452800,145266278169600,2631329637350400,
 50481429165619200,1015073771517388800]

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Last modified April 24 11:21 EDT 2024. Contains 371936 sequences. (Running on oeis4.)