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A085331 as a simple table

n a(n)
1 1
2 12
3 36
4 192
5 1992
6 2016
7 31067664
8 39206496
9 1564356432
10 3937403136
11 15600000432
12 22871605008
13 156043560432
14 156439956432
15 1560000000432
16 1956000004392 

[1,12,36,192,1992,2016,31067664,39206496,
 1564356432,3937403136,15600000432,22871605008,
 156043560432,156439956432,1560000000432,
 1956000004392]

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Last modified April 23 15:11 EDT 2024. Contains 371914 sequences. (Running on oeis4.)