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A046166 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 1
6 171
7 17066
8 1298346
9 83384427
10 4762648737
11 249485204452
12 12226539786912
13 568267449522773
14 25296121946918823
15 1086375882592194558
16 45264846407024660598
17 1837809636559394481439
18 72965749033508656346829

[0,0,0,0,1,171,17066,1298346,83384427,4762648737,
 249485204452,12226539786912,568267449522773,
 25296121946918823,1086375882592194558,
 45264846407024660598,1837809636559394481439,
 72965749033508656346829]

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Last modified July 12 16:37 EDT 2024. Contains 374251 sequences. (Running on oeis4.)