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A274305 as a simple table

n a(n)
1 2
2 12
3 120
4 32
5 3628800
6 95040
7 87178291200
8 80
9 6402373705728000
10 1216451004088320000
11 1124000727777607680000
12 310224200866619719680000
13 403291461126605635584000000
14 152444172305856930250752000000
15 265252859812191058636308480000000
16 192
17 295232799039604140847618609643520000000

[2,12,120,32,3628800,95040,87178291200,80,
 6402373705728000,1216451004088320000,
 1124000727777607680000,310224200866619719680000,
 403291461126605635584000000,
 152444172305856930250752000000,
 265252859812191058636308480000000,192,
 295232799039604140847618609643520000000]

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)