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A093972 as a simple table

n a(n)
1 0
2 0
3 0
4 1
5 54
6 767
7 10194
8 114028
9 1171524
10 11593345
11 112117864
12 1069300358
13 10109375268
14 95086492066
15 891766724342
16 8351325770872
17 78171510043913
18 731828924318516

[0,0,0,1,54,767,10194,114028,1171524,11593345,
 112117864,1069300358,10109375268,95086492066,
 891766724342,8351325770872,78171510043913,
 731828924318516]

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Last modified March 29 10:44 EDT 2024. Contains 371268 sequences. (Running on oeis4.)