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A306642 as a simple table

n a(n)
0 1
1 12
2 900
3 94080
4 11988900
5 1704214512
6 260453217024
7 41886697881600
8 6996546610936740
9 1203384096358158000
10 211855235800656848400
11 38011289046678107596800
12 6928290032159649797280000
13 1279703438754969901486464000
14 239070018975087493229806080000

[1,12,900,94080,11988900,1704214512,260453217024,
 41886697881600,6996546610936740,
 1203384096358158000,211855235800656848400,
 38011289046678107596800,6928290032159649797280000,
 1279703438754969901486464000,
 239070018975087493229806080000]

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Last modified February 29 13:01 EST 2024. Contains 370425 sequences. (Running on oeis4.)