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A088860 as a simple table

n a(n)
1 4
2 12
3 60
4 420
5 4620
6 60060
7 1021020
8 19399380
9 446185740
10 12939386460
11 401120980260
12 14841476269620
13 608500527054420
14 26165522663340060
15 1229779565176982820
16 65178316954380089460
17 3845520700308425278140

[4,12,60,420,4620,60060,1021020,19399380,
 446185740,12939386460,401120980260,14841476269620,
 608500527054420,26165522663340060,
 1229779565176982820,65178316954380089460,
 3845520700308425278140]

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Last modified March 28 05:39 EDT 2024. Contains 371235 sequences. (Running on oeis4.)