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A058194 as a simple table

n a(n)
0 1
1 3
2 21
3 162
4 1636
5 19977
6 298416
7 5300296
8 110219750
9 2639842989
10 71859429837
11 2198244062193
12 74860247277672
13 2815351714711122
14 116130005180284423
15 5222901881792429337
16 254791333526874348652
17 13420798291405599027605
18 760201936044714899316798
19 46137860613934391781325337
20 2990483661567310913388458734

[1,3,21,162,1636,19977,298416,5300296,110219750,
 2639842989,71859429837,2198244062193,
 74860247277672,2815351714711122,
 116130005180284423,5222901881792429337,
 254791333526874348652,13420798291405599027605,
 760201936044714899316798,
 46137860613934391781325337,
 2990483661567310913388458734]

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Last modified December 14 22:42 EST 2019. Contains 329987 sequences. (Running on oeis4.)