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A265686 as a simple table

n a(n)
1 1
2 3
3 7
4 10
5 63
6 157
7 456
8 1830
9 0
10 8538
11 23114
12 61804
13 165123
14 0
15 2339000 

[1,3,7,10,63,157,456,1830,0,8538,23114,61804,
 165123,0,2339000]

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Last modified April 25 10:43 EDT 2024. Contains 371967 sequences. (Running on oeis4.)