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A160667 as a simple table

n a(n)
0 1
1 1
2 2
3 3
4 24
5 60
6 144
7 2520
8 40320
9 36288
10 518400
11 362880
12 43545600
13 283046400
14 1585059840
15 59439744000
16 380414361600
17 2309658624000
18 582033973248000
19 1105864549171200
20 221172909834240000
21 464463110651904000

[1,1,2,3,24,60,144,2520,40320,36288,518400,362880,
 43545600,283046400,1585059840,59439744000,
 380414361600,2309658624000,582033973248000,
 1105864549171200,221172909834240000,
 464463110651904000]

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Last modified January 30 02:40 EST 2023. Contains 359939 sequences. (Running on oeis4.)