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A155423 as a simple table

n a(n)
7 1
8 7
9 19
10 52
11 172
12 643
13 2936
14 14954
15 84090
16 537490
17 4238593
18 38671134 

[1,7,19,52,172,643,2936,14954,84090,537490,
 4238593,38671134]

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)