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A204015 as a simple table

na(n)
11
2-1
30
4-2
51
6-1
73
83
9-1
100
112
12-6
13-4
141
150
16-8
178
1820
195
20-1
21-16
2214
2358
24-4
25-31
26-6
271
2848
2916
30-169
31-121
3269
3363
347
35-1
36208
37-320
38-576
39540
40432
41-128
42-97
43-8
441
45400
46-2048
471876
482340
49-1828
50-928
51309
52153
539
54-1
55-4800
566880

[1,-1,0,-2,1,-1,3,3,-1,0,2,-6,-4,1,0,-8,8,20,5,-1,
 -16,14,58,-4,-31,-6,1,48,16,-169,-121,69,63,7,-1,
 208,-320,-576,540,432,-128,-97,-8,1,400,-2048,
 1876,2340,-1828,-928,309,153,9,-1,-4800,6880]