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A223882 as a simple table

n a(n)
1 9
2 81
3 564
4 3298
5 17048
6 80412
7 353485
8 1469903
9 5845411
10 22414731
11 83409546
12 302722400
13 1075880306
14 3756503134
15 12919764299
16 43865509013
17 147290172421
18 489846413077
19 1615582428816
20 5289834522606
21 17210293320924
22 55679866275376

[9,81,564,3298,17048,80412,353485,1469903,5845411,
 22414731,83409546,302722400,1075880306,3756503134,
 12919764299,43865509013,147290172421,489846413077,
 1615582428816,5289834522606,17210293320924,
 55679866275376]

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Last modified January 18 11:57 EST 2022. Contains 350455 sequences. (Running on oeis4.)