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A012723 as a simple table

n a(n)
0 1
1 2
2 24
3 718
4 40040
5 3586122
6 470928612
7 85257985902
8 20354196606768
9 6195953068191762
10 2342416197502447932
11 1076777305129376444790
12 591474826398069745456200
13 382625479333794154176056730 

[1,2,24,718,40040,3586122,470928612,85257985902,
 20354196606768,6195953068191762,
 2342416197502447932,1076777305129376444790,
 591474826398069745456200,
 382625479333794154176056730]

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Last modified December 9 07:08 EST 2023. Contains 367686 sequences. (Running on oeis4.)