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A006204 as a simple table

n a(n)
1 1
2 1
3 3
4 9
5 25
6 133
7 631
8 3857
9 25905
10 188181
11 1515283
12 13376125
13 128102625
14 1317606101
15 14534145947
16 170922533545
17 2138089212789 

[1,1,3,9,25,133,631,3857,25905,188181,1515283,
 13376125,128102625,1317606101,14534145947,
 170922533545,2138089212789]

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