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A323571 as a simple table

n a(n)
0 1
1 18
2 1080
3 109024
4 15425932
5 2807373808
6 624567442464
7 164229954020384
8 49830967023579400
9 17136446536264628328
10 6586556828478666923776
11 2798143974987211154322560
12 1301956008571438833028276672
13 658475124477897905982708920064
14 359674624553169582199492194921216
15 211016939776698518257518156591766656
16 132339913526099601722463496476503304848
17 88352431866089178236286985348733511803104
18 62560734523453615823978316851314371901576832

[1,18,1080,109024,15425932,2807373808,
 624567442464,164229954020384,49830967023579400,
 17136446536264628328,6586556828478666923776,
 2798143974987211154322560,
 1301956008571438833028276672,
 658475124477897905982708920064,
 359674624553169582199492194921216,
 211016939776698518257518156591766656,
 132339913526099601722463496476503304848,
 88352431866089178236286985348733511803104,
 62560734523453615823978316851314371901576832]

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Last modified April 24 08:28 EDT 2024. Contains 371927 sequences. (Running on oeis4.)