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A300343 as a simple table

n a(n)
1 0
2 2
3 9
4 58
5 306
6 1371
7 5451
8 20316
9 73826
10 268227
11 988143
12 3710046
13 14186486
14 55056941
15 215998713
16 853659146
17 3389857782
18 13500951049
19 53867577061 

[0,2,9,58,306,1371,5451,20316,73826,268227,988143,
 3710046,14186486,55056941,215998713,853659146,
 3389857782,13500951049,53867577061]

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Last modified May 18 18:42 EDT 2022. Contains 353824 sequences. (Running on oeis4.)