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A318237 as a simple table

n a(n)
0 1
1 0
2 0
3 0
4 0
5 -6
6 6
7 -6
8 6
9 -6
10 2022
11 -5046
12 9366
13 -15306
14 23226
15 -3492978
16 14513442
17 -40082622
18 91510782
19 -186272862
20 17287893150
21 -101669044938
22 375834179418
23 -1106090219778
24 2827251464658
25 -186528404076558
26 1421197285803630
27 -6607708961772030
28 23862716390308830
29 -73480979595056730

[1,0,0,0,0,-6,6,-6,6,-6,2022,-5046,9366,-15306,
 23226,-3492978,14513442,-40082622,91510782,
 -186272862,17287893150,-101669044938,375834179418,
 -1106090219778,2827251464658,-186528404076558,
 1421197285803630,-6607708961772030,
 23862716390308830,-73480979595056730]

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Last modified December 3 02:46 EST 2021. Contains 349445 sequences. (Running on oeis4.)