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A246498 as a simple table

n a(n)
1 1
2 8
3 108
4 576
5 18000
6 21600
7 1234800
8 5644800
9 57153600
10 12700800
11 1690476480
12 1844156160
13 337634256960
14 363606122880
15 1947889944000
16 8310997094400
17 2551995545299200
18 2702112930316800
19 1029655143835718400
20 216769503965414400
21 4645060799258880 

[1,8,108,576,18000,21600,1234800,5644800,57153600,
 12700800,1690476480,1844156160,337634256960,
 363606122880,1947889944000,8310997094400,
 2551995545299200,2702112930316800,
 1029655143835718400,216769503965414400,
 4645060799258880]

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Last modified June 3 00:27 EDT 2024. Contains 373054 sequences. (Running on oeis4.)