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A001785 as a simple table

n a(n)
0 1
1 120
2 7308
3 303660
4 11098780
5 389449060
6 13642629000
7 486591585480
8 17856935296200
9 678103775949600
10 26726282654771700
11 1094862336960892500
12 46641683693715610500
13 2066075391660447667500
14 95122549872697437090000 

[1,120,7308,303660,11098780,389449060,13642629000,
 486591585480,17856935296200,678103775949600,
 26726282654771700,1094862336960892500,
 46641683693715610500,2066075391660447667500,
 95122549872697437090000]

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Last modified May 15 02:15 EDT 2024. Contains 372536 sequences. (Running on oeis4.)