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A089057 as a simple table

n a(n)
3 3
4 12
5 60
6 360
7 2520
8 13440
9 120960
10 1209600
11 13305600
12 159667200
13 2075673600
14 29059430400
15 435891456000
16 6974263296000
17 118562476032000
18 2134124568576000
19 40548366802944000
20 810967336058880000

[3,12,60,360,2520,13440,120960,1209600,13305600,
 159667200,2075673600,29059430400,435891456000,
 6974263296000,118562476032000,2134124568576000,
 40548366802944000,810967336058880000]

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)