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A162937 as a simple table

n a(n)
0 1
1 6
2 30
3 150
4 735
5 3600
6 17640
7 86400
8 423210
9 2073000
10 10154040
11 49737000
12 243624060
13 1193330400
14 5845225440
15 28631349600
16 140243381160
17 686946520800
18 3364832751840
19 16481777119200
20 80731791755760
21 395444141299200

[1,6,30,150,735,3600,17640,86400,423210,2073000,
 10154040,49737000,243624060,1193330400,5845225440,
 28631349600,140243381160,686946520800,
 3364832751840,16481777119200,80731791755760,
 395444141299200]

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Last modified April 25 07:53 EDT 2024. Contains 371964 sequences. (Running on oeis4.)