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A229584 as a simple table

n a(n)
1 40
2 1620
3 49848
4 1375152
5 35690460
6 890824020
7 21639043284
8 515235810840
9 12081465854052
10 279877517457936
11 6420164883723960
12 146080173897129444
13 3301145304079911108
14 74165789377610689020
15 1657889614174445634696 

[40,1620,49848,1375152,35690460,890824020,
 21639043284,515235810840,12081465854052,
 279877517457936,6420164883723960,
 146080173897129444,3301145304079911108,
 74165789377610689020,1657889614174445634696]

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Last modified April 23 06:04 EDT 2024. Contains 371906 sequences. (Running on oeis4.)