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A191800 as a simple table

n a(n)
0 1
1 1
2 3
3 16
4 109
5 851
6 7275
7 66393
8 637239
9 6371848
10 65961782
11 703953599
12 7722738071
13 86924392498
14 1002603956938
15 11842465020207
16 143208130730229
17 1773099186411938
18 22483740028949531
19 292129222113885503
20 3891268435685371911

[1,1,3,16,109,851,7275,66393,637239,6371848,
 65961782,703953599,7722738071,86924392498,
 1002603956938,11842465020207,143208130730229,
 1773099186411938,22483740028949531,
 292129222113885503,3891268435685371911]

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Last modified May 27 11:52 EDT 2024. Contains 372858 sequences. (Running on oeis4.)