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A180437 as a simple table

n a(n)
0 0
1 0
2 0
3 6
4 24
5 78
6 186
7 372
8 876
9 1632
10 3024
11 5310
12 8496
13 13344
14 21186
15 31878
16 46752
17 66936
18 94800
19 130194 

[0,0,0,6,24,78,186,372,876,1632,3024,5310,8496,
 13344,21186,31878,46752,66936,94800,130194]

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Last modified August 25 21:54 EDT 2024. Contains 375454 sequences. (Running on oeis4.)