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A216678
as a simple table
n
a(n)
1
0
2
2
3
0
4
88
5
0
6
207408
7
0
8
22902801416
9
0
10
112398351350823112
11
0
12
24075116871728596710774372
[0,2,0,88,0,207408,0,22902801416,0, 112398351350823112,0,24075116871728596710774372]
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Last modified April 25 06:14 EDT 2024. Contains 371964 sequences. (Running on oeis4.)