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A166780
as a simple table
n
a(n)
1
0
2
0
3
0
4
2730
5
33586
6
206864
7
889743
8
3049239
9
8915556
10
23162008
11
54891826
12
120841344
13
250363790
14
492955632
[0,0,0,2730,33586,206864,889743,3049239,8915556, 23162008,54891826,120841344,250363790,492955632]
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Last modified July 26 13:55 EDT 2024. Contains 374635 sequences. (Running on oeis4.)
