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A056384 as a simple table

n a(n)
1 5
2 20
3 70
4 350
5 820
6 8030
7 13170
8 102750
9 327050
10 2444780
11 4884430
12 61632150
13 101732420
14 1017309930
15 3816214730
16 19104506250
17 47683838320
18 635787430450
19 1059638680670
20 11924777944650
21 39736963208630

[5,20,70,350,820,8030,13170,102750,327050,2444780,
 4884430,61632150,101732420,1017309930,3816214730,
 19104506250,47683838320,635787430450,
 1059638680670,11924777944650,39736963208630]

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Last modified February 5 03:48 EST 2023. Contains 360082 sequences. (Running on oeis4.)