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A075031 as a simple table

n a(n)
1 1
2 2
3 20
4 20
5 714
6 714
7 25550
8 90180
9 142803
10 809300
11 27195648
12 27195648
13 6973441007
14 37962822225
15 37962822225
16 114296059262
17 265228019405583
18 394047434860662
19 2493689139940250

[1,2,20,20,714,714,25550,90180,142803,809300,
 27195648,27195648,6973441007,37962822225,
 37962822225,114296059262,265228019405583,
 394047434860662,2493689139940250]

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Last modified April 16 04:17 EDT 2024. Contains 371696 sequences. (Running on oeis4.)