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A371040 as a simple table

n a(n)
0 1
1 1
2 2
3 12
4 96
5 840
6 9720
7 143640
8 2399040
9 45239040
10 976752000
11 23537606400
12 621444700800
13 17936155036800
14 562855739846400
15 19038932398886400
16 690456599575142400
17 26748823900403404800
18 1102407824344284057600
19 48147134965603914240000

[1,1,2,12,96,840,9720,143640,2399040,45239040,
 976752000,23537606400,621444700800,17936155036800,
 562855739846400,19038932398886400,
 690456599575142400,26748823900403404800,
 1102407824344284057600,48147134965603914240000]

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Last modified July 1 03:20 EDT 2024. Contains 373911 sequences. (Running on oeis4.)