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A146696 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 15
9 39
10 69
11 161
12 595
13 1935
14 6509
15 28979
16 154855
17 881531
18 5028621
19 31192755
20 226496585
21 1775509113 

[1,1,1,1,1,1,1,15,39,69,161,595,1935,6509,28979,
 154855,881531,5028621,31192755,226496585,
 1775509113]

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Last modified April 25 06:49 EDT 2024. Contains 371964 sequences. (Running on oeis4.)