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A052841 as a simple table

n a(n)
0 1
1 0
2 2
3 6
4 38
5 270
6 2342
7 23646
8 272918
9 3543630
10 51123782
11 811316286
12 14045783798
13 263429174190
14 5320671485222
15 115141595488926
16 2657827340990678
17 65185383514567950
18 1692767331628422662
19 46400793659664205566
20 1338843898122192101558
21 40562412499252036940910

[1,0,2,6,38,270,2342,23646,272918,3543630,
 51123782,811316286,14045783798,263429174190,
 5320671485222,115141595488926,2657827340990678,
 65185383514567950,1692767331628422662,
 46400793659664205566,1338843898122192101558,
 40562412499252036940910]

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Last modified June 6 00:30 EDT 2024. Contains 373110 sequences. (Running on oeis4.)