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A287889 as a simple table

n a(n)
0 1
1 12
2 4410
3 7560000
4 35626991400
5 357082280755200
6 6536573599765809600
7 197543239414923257856000
8 9172025443146972656250000000
9 619972004905097945232074342400000
10 58507834434071888178873434004530400000
11 7455351156359319047773396236777475276800000 

[1,12,4410,7560000,35626991400,357082280755200,
 6536573599765809600,197543239414923257856000,
 9172025443146972656250000000,
 619972004905097945232074342400000,
 58507834434071888178873434004530400000,
 7455351156359319047773396236777475276800000]

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Last modified July 7 18:02 EDT 2024. Contains 374112 sequences. (Running on oeis4.)