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A254248 as a simple table

n a(n)
0 0
1 1
2 1
3 18
4 262
5 3393
6 39541
7 421863
8 4457974
9 46853770
10 482301801
11 4931928485 

[0,1,1,18,262,3393,39541,421863,4457974,46853770,
 482301801,4931928485]

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Last modified April 24 06:30 EDT 2024. Contains 371919 sequences. (Running on oeis4.)