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A103475 as a simple table

n a(n)
1 1
2 12
3 72
4 9000
5 900
6 2469600
7 2116800
8 2268000
9 264600
10 93915360
11 42688800
12 537145408800
13 103297194000
14 18162144000
15 11416204800
16 294461024457600
17 2165154591600
18 75709937046744000
19 1859542313428800
20 6151869307584

[1,12,72,9000,900,2469600,2116800,2268000,264600,
 93915360,42688800,537145408800,103297194000,
 18162144000,11416204800,294461024457600,
 2165154591600,75709937046744000,1859542313428800,
 6151869307584]

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Last modified July 11 17:52 EDT 2024. Contains 374234 sequences. (Running on oeis4.)