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A165657 as a simple table

n a(n)
1 2
2 3
3 15
4 105
5 385
6 5005
7 17017
8 323323
9 1062347
10 30808063
11 434113615
12 35336848261
13 1448810778701
14 33545541876077
15 266186053068611
16 5426100312552455
17 9156001667401012567
18 42962777054727828199

[2,3,15,105,385,5005,17017,323323,1062347,
 30808063,434113615,35336848261,1448810778701,
 33545541876077,266186053068611,5426100312552455,
 9156001667401012567,42962777054727828199]

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Last modified April 24 14:23 EDT 2024. Contains 371960 sequences. (Running on oeis4.)