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A155328 as a simple table

n a(n)
5 1
6 4
7 13
8 45
9 200
10 827
11 3807
12 19771
13 133675
14 1067815
15 10084717
16 113366836
17 1442256377

[1,4,13,45,200,827,3807,19771,133675,1067815,
 10084717,113366836,1442256377]

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)