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A179685 as a simple table

n a(n)
0 1
1 0
2 1
3 1
4 5
5 16
6 80
7 436
8 2891
9 22248
10 198774
11 2029140
12 23310386
13 296407466
14 4109654354
15 61348443380
16 976111067870
17 16423368282336
18 290404344321126
19 5370042566624118
20 103427555919931446

[1,0,1,1,5,16,80,436,2891,22248,198774,2029140,
 23310386,296407466,4109654354,61348443380,
 976111067870,16423368282336,290404344321126,
 5370042566624118,103427555919931446]

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Last modified March 29 05:48 EDT 2024. Contains 371265 sequences. (Running on oeis4.)