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A218427 as a simple table

n a(n)
1 10
2 60
3 1170
4 114660
5 72602880
6 668304000
7 714954240
8 1307124000
9 1381161600
10 2701389600
11 8052817920
12 10181689600
13 643773312000
14 1330464844800
15 2015156183040
16 3522876144480
17 15462510336000
18 23885971200000
19 702577007193600
20 908714417345280

[10,60,1170,114660,72602880,668304000,714954240,
 1307124000,1381161600,2701389600,8052817920,
 10181689600,643773312000,1330464844800,
 2015156183040,3522876144480,15462510336000,
 23885971200000,702577007193600,908714417345280]

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Last modified June 3 09:48 EDT 2024. Contains 373057 sequences. (Running on oeis4.)