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A084159 as a simple table

n a(n)
0 1
1 3
2 21
3 119
4 697
5 4059
6 23661
7 137903
8 803761
9 4684659
10 27304197
11 159140519
12 927538921
13 5406093003
14 31509019101
15 183648021599
16 1070379110497
17 6238626641379
18 36361380737781
19 211929657785303
20 1235216565974041

[1,3,21,119,697,4059,23661,137903,803761,4684659,
 27304197,159140519,927538921,5406093003,
 31509019101,183648021599,1070379110497,
 6238626641379,36361380737781,211929657785303,
 1235216565974041]

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Last modified September 28 13:24 EDT 2020. Contains 337393 sequences. (Running on oeis4.)