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A135490 as a simple table

n a(n)
0 1
1 6
2 30
3 162
4 886
5 4932
6 27714
7 157018
8 894942
9 5126268
10 29481732
11 170128850
12 984577446
13 5712117772
14 33210790018
15 193456179430
16 1128789904110
17 6596174575548
18 38596967873100
19 226120320617484
20 1326180436400932

[1,6,30,162,886,4932,27714,157018,894942,5126268,
 29481732,170128850,984577446,5712117772,
 33210790018,193456179430,1128789904110,
 6596174575548,38596967873100,226120320617484,
 1326180436400932]

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Last modified March 29 08:13 EDT 2024. Contains 371265 sequences. (Running on oeis4.)