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A099037 as a simple table

na(n)
01
11
2-1
31
40
51
61
73
8-3
9-1
101
118
12-12
138
141
151
1615
17-20
1820
19-15
20-1
211
2224
23-15
240
25-15
2624
271
281
2935
3021
31-105
32105
33-21
34-35
35-1
361
3748
38112
39-336
40420
41-336
42112
4348
441
451
4663
47288
48-672
49756
50-756
51672
52-288
53-63
54-1
551
5680
57585
58-960
59420
600
61420
62-960
63585
6480
651
661
6799
681045
69-825
70-1980
714620
72-4620
731980
74825
75-1045
76-99
77-1

[1,1,-1,1,0,1,1,3,-3,-1,1,8,-12,8,1,1,15,-20,20,
 -15,-1,1,24,-15,0,-15,24,1,1,35,21,-105,105,-21,
 -35,-1,1,48,112,-336,420,-336,112,48,1,1,63,288,
 -672,756,-756,672,-288,-63,-1,1,80,585,-960,420,0,
 420,-960,585,80,1,1,99,1045,-825,-1980,4620,-4620,
 1980,825,-1045,-99,-1]