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A005667 as a simple table

n a(n)
0 1
1 3
2 19
3 117
4 721
5 4443
6 27379
7 168717
8 1039681
9 6406803
10 39480499
11 243289797
12 1499219281
13 9238605483
14 56930852179
15 350823718557
16 2161873163521
17 13322062699683
18 82094249361619
19 505887558869397
20 3117419602578001
21 19210405174337403
22 118379850648602419

[1,3,19,117,721,4443,27379,168717,1039681,6406803,
 39480499,243289797,1499219281,9238605483,
 56930852179,350823718557,2161873163521,
 13322062699683,82094249361619,505887558869397,
 3117419602578001,19210405174337403,
 118379850648602419]

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Last modified October 15 13:52 EDT 2018. Contains 316236 sequences. (Running on oeis4.)