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A088505 as a simple table

n a(n)
1 5
2 45
3 390
4 3315
5 27846
6 232050
7 1922700
8 15862275
9 130423150
10 1069469830
11 8750207700
12 71460029550
13 582674087100
14 4744631852100
15 38589672397080
16 313541088226275
17 2545215892660350
18 20644528907133950
19 167329339563085700

[5,45,390,3315,27846,232050,1922700,15862275,
 130423150,1069469830,8750207700,71460029550,
 582674087100,4744631852100,38589672397080,
 313541088226275,2545215892660350,
 20644528907133950,167329339563085700]

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Last modified May 23 11:57 EDT 2024. Contains 372763 sequences. (Running on oeis4.)