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A085912 as a simple table

n a(n)
1 1
2 2
3 12
4 1680
5 11880
6 13366080
7 96909120
8 424097856000
9 3100796899200
10 37276043023296000
11 273589847231500800
12 7359037761652306329600
13 54123776422857453312000
14 2844359511118991175518208000

[1,2,12,1680,11880,13366080,96909120,424097856000,
 3100796899200,37276043023296000,
 273589847231500800,7359037761652306329600,
 54123776422857453312000,
 2844359511118991175518208000]

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Last modified March 28 10:31 EDT 2024. Contains 371240 sequences. (Running on oeis4.)