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A210088 as a simple table

n a(n)
1 0
2 9
3 90
4 657
5 4230
6 25533
7 148410
8 842265
9 4704750
10 25994709
11 142528770
12 777216177
13 4221470070
14 22863109293
15 123563792970
16 666766408905
17 3593844532350
18 19354295087109
19 104165322930450
20 560359838547297

[0,9,90,657,4230,25533,148410,842265,4704750,
 25994709,142528770,777216177,4221470070,
 22863109293,123563792970,666766408905,
 3593844532350,19354295087109,104165322930450,
 560359838547297]

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Last modified August 18 16:43 EDT 2024. Contains 375269 sequences. (Running on oeis4.)