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A123150 as a simple table

n a(n)
1 1
2 1
3 2
4 6
5 24
6 2399
7 6299
8 28222
9 169338
10 1244136
11 213748501
12 914608501
13 6392593442
14 57693964614
15 618160168824
16 150820728557099
17 895583729570699
18 8513087005239262
19 102642351647368962
20 1446049101566437896

[1,1,2,6,24,2399,6299,28222,169338,1244136,
 213748501,914608501,6392593442,57693964614,
 618160168824,150820728557099,895583729570699,
 8513087005239262,102642351647368962,
 1446049101566437896]

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Last modified June 20 11:23 EDT 2021. Contains 345164 sequences. (Running on oeis4.)