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A320155 as a simple table

n a(n)
1 1
2 1
3 1
4 4
5 11
6 41
7 162
8 1030
9 7205
10 55522
11 442443
12 3810852
13 35272030
14 351697516
15 3735838550
16 42719792640
17 529195988635
18 7128835815387
19 103651381499810
20 1610812109555323
21 26489497655582729
22 457497408108551450
23 8248899117402701046
24 154624472715479106919

[1,1,1,4,11,41,162,1030,7205,55522,442443,3810852,
 35272030,351697516,3735838550,42719792640,
 529195988635,7128835815387,103651381499810,
 1610812109555323,26489497655582729,
 457497408108551450,8248899117402701046,
 154624472715479106919]

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Last modified May 30 18:38 EDT 2020. Contains 334728 sequences. (Running on oeis4.)