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A189349 as a simple table

n a(n)
1 0
2 13
3 48
4 557
5 3632
6 30769
7 229248
8 1815601
9 13960720
10 108880333
11 843387440
12 6554347309
13 50856496800
14 394905287105
15 3065356528128
16 23798261444545
17 184745059744352
18 1434227515809901
19 11134091807034928
20 86436190372455949

[0,13,48,557,3632,30769,229248,1815601,13960720,
 108880333,843387440,6554347309,50856496800,
 394905287105,3065356528128,23798261444545,
 184745059744352,1434227515809901,
 11134091807034928,86436190372455949]

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Last modified April 22 14:39 EDT 2021. Contains 343177 sequences. (Running on oeis4.)