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A015067 as a simple table

n a(n)
0 1
1 0
2 0
3 0
4 750
5 7770
6 52675
7 449550
8 2311575
9 8624700
10 22661835
11 42102850
12 57811425
13 58254700
14 42267025
15 22408050
16 8633100
17 2316300
18 470625
19 61950
20 525
21 50
22 0
23 0
24 0
25 1

[1,0,0,0,750,7770,52675,449550,2311575,8624700,
 22661835,42102850,57811425,58254700,42267025,
 22408050,8633100,2316300,470625,61950,525,50,0,0,
 0,1]

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)