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A271435
as a simple table
n
a(n)
1
0
2
0
3
12
4
1620
5
148392
6
14979216
7
1978392960
8
370450049664
9
102638643985920
10
43175669754811392
[0,0,12,1620,148392,14979216,1978392960, 370450049664,102638643985920,43175669754811392]
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Last modified April 25 08:27 EDT 2024. Contains 371964 sequences. (Running on oeis4.)