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A089962 as a simple table

na(n)
01
1-1
21
30
4-4
51
60
79
8-9
91
100
11-16
1248
13-16
141
150
1625
17-200
18150
19-25
201
210
22-36
23720
24-1080
25360
26-36
271
280
2949
30-2352
316615
32-3920
33735
34-49
351
360
37-64
387168
39-36288
4035840
41-11200
421344
43-64
441
450
4681
47-20736
48183708
49-290304
50141750
51-27216
522268
53-81
541
550
56-100
5757600
58-874800
592150400
60-1575000
61453600

[1,-1,1,0,-4,1,0,9,-9,1,0,-16,48,-16,1,0,25,-200,
 150,-25,1,0,-36,720,-1080,360,-36,1,0,49,-2352,
 6615,-3920,735,-49,1,0,-64,7168,-36288,35840,
 -11200,1344,-64,1,0,81,-20736,183708,-290304,
 141750,-27216,2268,-81,1,0,-100,57600,-874800,
 2150400,-1575000,453600]