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A371116 as a simple table

n a(n)
0 1
1 0
2 0
3 6
4 12
5 20
6 750
7 7602
8 47096
9 589752
10 11823930
11 169812830
12 2287327812
13 46793930196
14 1061518458182
15 21163158296490
16 458344052450160
17 12165772611938672
18 329982890581149426
19 8764089834124752822
20 255655700917556204540
21 8220667673623130347020

[1,0,0,6,12,20,750,7602,47096,589752,11823930,
 169812830,2287327812,46793930196,1061518458182,
 21163158296490,458344052450160,12165772611938672,
 329982890581149426,8764089834124752822,
 255655700917556204540,8220667673623130347020]

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Last modified July 7 03:19 EDT 2024. Contains 374062 sequences. (Running on oeis4.)