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A027805 as a simple table

n a(n)
5 126
6 1470
7 9240
8 41580
9 150150
10 462462
11 1261260
12 3123120
13 7147140
14 15315300
15 31039008
16 59961720
17 111105540
18 198470580
19 343219800
20 576609264
21 943854450
22 1509157650
23 2362159800
24 3626122500
25 5468192730
26 8112154050
27 11854124100
28 17081719200
29 24297273000

[126,1470,9240,41580,150150,462462,1261260,
 3123120,7147140,15315300,31039008,59961720,
 111105540,198470580,343219800,576609264,943854450,
 1509157650,2362159800,3626122500,5468192730,
 8112154050,11854124100,17081719200,24297273000]

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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)