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A248778 as a simple table

n a(n)
1 1
2 2
3 6
4 24
5 120
6 720
7 5040
8 40320
9 362880
10 14175
11 155925
12 1871100
13 24324300
14 340540200
15 5108103000
16 81729648000
17 1389404016000
18 14889875
19 282907625
20 5658152500
21 118821202500
22 2614066455000
23 60123528465000
24 1442964683160000
25 36074117079000000

[1,2,6,24,120,720,5040,40320,362880,14175,155925,
 1871100,24324300,340540200,5108103000,81729648000,
 1389404016000,14889875,282907625,5658152500,
 118821202500,2614066455000,60123528465000,
 1442964683160000,36074117079000000]

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Last modified April 25 09:56 EDT 2024. Contains 371967 sequences. (Running on oeis4.)