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A192507 as a simple table

n a(n)
1 0
2 0
3 1
4 2
5 7
6 14
7 52
8 104
9 333
10 870
11 2571
12 4590
13 20440
14 56736
15 133782
16 327558
17 1265391 

[0,0,1,2,7,14,52,104,333,870,2571,4590,20440,
 56736,133782,327558,1265391]

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Last modified April 24 10:00 EDT 2024. Contains 371935 sequences. (Running on oeis4.)