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A343137 as a simple table

n a(n)
1 1
2 7
3 63
4 315
5 945
6 1575
7 3465
8 10395
9 17325
10 26775
11 45045
12 135135
13 225225
14 405405
15 675675
16 1576575
17 2027025
18 2297295
19 3828825
20 6891885
21 11486475
22 26801775
23 34459425
24 43648605
25 72747675
26 130945815
27 218243025
28 509233725
29 654729075
30 1003917915
31 1527701175
32 3011753745
33 4583103525

[1,7,63,315,945,1575,3465,10395,17325,26775,45045,
 135135,225225,405405,675675,1576575,2027025,
 2297295,3828825,6891885,11486475,26801775,
 34459425,43648605,72747675,130945815,218243025,
 509233725,654729075,1003917915,1527701175,
 3011753745,4583103525]

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Last modified June 17 22:14 EDT 2021. Contains 345086 sequences. (Running on oeis4.)