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A227713 as a simple table

n a(n)
0 1
1 9
2 90
3 836
4 6856
5 49787
6 326618
7 1977322
8 11244976
9 60908337
10 317509874
11 1605448440
12 7920487752
13 38297112551
14 182108066522
15 853884638758
16 3956279351760
17 18143381822941
18 82466719670866
19 371917534537524
20 1665777832832136
21 7415146800493139

[1,9,90,836,6856,49787,326618,1977322,11244976,
 60908337,317509874,1605448440,7920487752,
 38297112551,182108066522,853884638758,
 3956279351760,18143381822941,82466719670866,
 371917534537524,1665777832832136,7415146800493139]

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Last modified April 23 14:32 EDT 2024. Contains 371914 sequences. (Running on oeis4.)