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A215583 as a simple table

na(n)
01
10
20
33
40
5-20
690
7203
8-3360
93480
10123480
11-691317
12-4660920
1367346500
1484564480
15-6373324357
1619974165120
17628445064240
18-5371928458560
19-62241266791917
201104961392178560
215221640648959900
22-225150453590240640
2318981681539957003
2448136732573773993600

[1,0,0,3,0,-20,90,203,-3360,3480,123480,-691317,
 -4660920,67346500,84564480,-6373324357,
 19974165120,628445064240,-5371928458560,
 -62241266791917,1104961392178560,5221640648959900,
 -225150453590240640,18981681539957003,
 48136732573773993600]