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A036687 as a simple table

n a(n)
0 1
1 12
2 420
3 35280
4 6486480
5 2473511040
6 1888413246720
7 2815188363187200
8 8043859365429888000
9 43422645527382401280000
10 437806134821131674998400000
11 8167684917019434265210752000000
12 279763767797866931083907001600000000
13 17478686582471797472931336490014720000000

[1,12,420,35280,6486480,2473511040,1888413246720,
 2815188363187200,8043859365429888000,
 43422645527382401280000,
 437806134821131674998400000,
 8167684917019434265210752000000,
 279763767797866931083907001600000000,
 17478686582471797472931336490014720000000]

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Last modified April 20 07:43 EDT 2024. Contains 371799 sequences. (Running on oeis4.)