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A027791 as a simple table

n a(n)
3 20
4 175
5 840
6 2940
7 8400
8 20790
9 46200
10 94380
11 180180
12 325325
13 560560
14 928200
15 1485120
16 2306220
17 3488400
18 5155080
19 7461300
20 10599435
21 14805560
22 20366500
23 27627600
24 37001250
25 48976200
26 64127700
27 83128500
28 106760745
29 135928800
30 171673040
31 215184640
32 267821400

[20,175,840,2940,8400,20790,46200,94380,180180,
 325325,560560,928200,1485120,2306220,3488400,
 5155080,7461300,10599435,14805560,20366500,
 27627600,37001250,48976200,64127700,83128500,
 106760745,135928800,171673040,215184640,267821400]

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Last modified May 23 18:34 EDT 2024. Contains 372765 sequences. (Running on oeis4.)