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A258213 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 12
5 72
6 144
7 1440
8 2880
9 43200
10 86400
11 1814400
12 3628800
13 101606400
14 203212800
15 7315660800
16 14631321600
17 658409472000
18 1316818944000
19 72425041920000
20 144850083840000
21 9560105533440000
22 19120211066880000
23 1491376463216640000
24 2982752926433280000

[1,1,2,6,12,72,144,1440,2880,43200,86400,1814400,
 3628800,101606400,203212800,7315660800,
 14631321600,658409472000,1316818944000,
 72425041920000,144850083840000,9560105533440000,
 19120211066880000,1491376463216640000,
 2982752926433280000]

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Last modified April 24 15:57 EDT 2024. Contains 371961 sequences. (Running on oeis4.)