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A053994 as a simple table

n a(n)
0 1
1 0
2 1
3 1
4 0
5 2
6 11
7 0
8 97
9 354
10 0
11 31381
12 395551
13 0
14 90120677 

[1,0,1,1,0,2,11,0,97,354,0,31381,395551,0,
 90120677]

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Last modified April 16 12:36 EDT 2024. Contains 371711 sequences. (Running on oeis4.)