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A271905 as a simple table

n a(n)
1 1
2 6
3 37
4 240
5 1621
6 11256
7 79717
8 572928
9 4164841
10 30553116
11 225817021
12 1679454816
13 12556853401
14 94313192616
15 711189994357
16 5381592930816
17 40848410792017
18 310909645663332
19 2372280474687277
20 18141232682656320
21 139010366280363601
22 1067160872528170536
23 8206301850166625797
24 63203453697218605440

[1,6,37,240,1621,11256,79717,572928,4164841,
 30553116,225817021,1679454816,12556853401,
 94313192616,711189994357,5381592930816,
 40848410792017,310909645663332,2372280474687277,
 18141232682656320,139010366280363601,
 1067160872528170536,8206301850166625797,
 63203453697218605440]

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Last modified August 3 11:47 EDT 2021. Contains 346435 sequences. (Running on oeis4.)