A239535 - OEIS

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A239535 as a simple table

n	a(n)
1	120
2	120
3	86400
4	1533792
5	171712936
6	6976042240
7	482858009716
8	25030781490504
9	1514104924173186
10	84271877225127052
11	4904669609011048390
12	278670145806811741992
13	16039384095013229680088
14	916772052100684847959202

[120,120,86400,1533792,171712936,6976042240, 482858009716,25030781490504,1514104924173186, 84271877225127052,4904669609011048390, 278670145806811741992,16039384095013229680088, 916772052100684847959202]