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A155623 as a simple table

n a(n)
0 1
1 13
2 129
3 1357
4 14721
5 161293
6 1772289
7 19489357
8 214365441
9 2357967373
10 25937483649
11 285311847757
12 3138428908161
13 34522713738253
14 379749838366209
15 4177248183764557
16 45949729906618881
17 505447028628433933

[1,13,129,1357,14721,161293,1772289,19489357,
 214365441,2357967373,25937483649,285311847757,
 3138428908161,34522713738253,379749838366209,
 4177248183764557,45949729906618881,
 505447028628433933]

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Last modified April 12 16:28 EDT 2021. Contains 342929 sequences. (Running on oeis4.)