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A258629 as a simple table

n a(n)
1 6
2 36
3 179
4 830
5 4021
6 20462
7 105719
8 546640
9 2789557
10 14124297
11 72747664
12 384855118
13 2060047003
14 10964114671
15 57622430383
16 299660342435
17 1554362454308
18 8134330914022
19 43385023307315
20 236387936969270
21 1304057368544653

[6,36,179,830,4021,20462,105719,546640,2789557,
 14124297,72747664,384855118,2060047003,
 10964114671,57622430383,299660342435,
 1554362454308,8134330914022,43385023307315,
 236387936969270,1304057368544653]

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Last modified October 18 03:25 EDT 2021. Contains 348065 sequences. (Running on oeis4.)