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A147926 as a simple table

n a(n)
1 1
2 2
3 6
4 24
5 96
6 376
7 2062
8 12860
9 69210
10 499610
11 3976470
12 29600486
13 270810736
14 2683748296
15 24357907464
16 272243917696

[1,2,6,24,96,376,2062,12860,69210,499610,3976470,
 29600486,270810736,2683748296,24357907464,
 272243917696]

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)