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A234797 as a simple table

n a(n)
1 1
2 1
3 5
4 17
5 109
6 649
7 5285
8 44513
9 448861
10 4836601
11 58743125
12 766520657
13 10939702669
14 167136559849
15 2746173173765
16 48016925121473
17 893361709338301
18 17582667488919001
19 365487998075525045
20 7994319232001122097
21 183644125043688405229
22 4418905413530661307849

[1,1,5,17,109,649,5285,44513,448861,4836601,
 58743125,766520657,10939702669,167136559849,
 2746173173765,48016925121473,893361709338301,
 17582667488919001,365487998075525045,
 7994319232001122097,183644125043688405229,
 4418905413530661307849]

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Last modified February 25 22:13 EST 2018. Contains 299661 sequences. (Running on oeis4.)