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A049061 as a simple table

na(n)
11
21
3-1
41
50
6-1
71
8-1
9-1
101
111
122
13-6
142
151
161
171
18-8
198
20-1
21-1
221
238
24-19
250
2619
27-8
28-1
291
307
31-27
3219
3319
34-27
357
361
371
3822
39-32
40-86
41190
42-86
43-32
4422
451
461
4721
48-54
49-54
50276
51-276
5254
5354
54-21
55-1
561
5752
5827
59-648
601002
610
62-1002
63648
64-27
65-52
66-1
671
6851
69-25

[1,1,-1,1,0,-1,1,-1,-1,1,1,2,-6,2,1,1,1,-8,8,-1,
 -1,1,8,-19,0,19,-8,-1,1,7,-27,19,19,-27,7,1,1,22,
 -32,-86,190,-86,-32,22,1,1,21,-54,-54,276,-276,54,
 54,-21,-1,1,52,27,-648,1002,0,-1002,648,-27,-52,
 -1,1,51,-25]