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A005464 as a simple table

n a(n)
5 1
6 127
7 6050
8 204630
9 5921520
10 158838240
11 4115105280
12 105398092800
13 2706620716800
14 70309810771200
15 1858166876966400
16 50148628078348800
17 1385482985542656000
18 39245951652171264000
19 1140942623868343296000
20 34060437199245929472000
21 1044402668566817624064000
22 32895725269182358302720000

[1,127,6050,204630,5921520,158838240,4115105280,
 105398092800,2706620716800,70309810771200,
 1858166876966400,50148628078348800,
 1385482985542656000,39245951652171264000,
 1140942623868343296000,34060437199245929472000,
 1044402668566817624064000,
 32895725269182358302720000]

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Last modified July 22 06:22 EDT 2019. Contains 325213 sequences. (Running on oeis4.)