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A212931 as a simple table

n a(n)
1 1
2 15
3 568
4 39695
5 4431876
6 724082352
7 163050236504
8 48442719007503
9 18368207542264060
10 8659014569831436140
11 4968837728849467193040
12 3410836618457710864892912
13 2760233360074280192888992948 

[1,15,568,39695,4431876,724082352,163050236504,
 48442719007503,18368207542264060,
 8659014569831436140,4968837728849467193040,
 3410836618457710864892912,
 2760233360074280192888992948]

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Last modified December 4 01:51 EST 2023. Contains 367541 sequences. (Running on oeis4.)