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A200405 as a simple table

n a(n)
1 1
2 2
3 6
4 23
5 107
6 583
7 3637
8 25548
9 199506
10 1714383
11 16075861
12 163346039
13 1787800653
14 20968763454
15 262377046698

[1,2,6,23,107,583,3637,25548,199506,1714383,
 16075861,163346039,1787800653,20968763454,
 262377046698]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)