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A079635 as a simple table

na(n)
10
20
3-1
40
51
6-1
7-1
80
9-2
101
11-1
12-1
131
14-1
150
160
171
18-2
19-1
201
21-2
22-1
23-1
24-1
252
261
27-3
28-1
291
300
31-1
320
33-2
341
350
36-2
371
38-1
390
401
411
42-2
43-1
44-1
45-1
46-1
47-1
48-1
49-2
502
510
521
531
54-3
550
56-1
57-2
581
59-1
600
611
62-1
63-3
640
652
66-2
67-1
681
69-2
700
71-1
72-2
731
741
751
76-1
77-2
780
79-1
801
81-4
821
83-1
84-2
852
86-1
870
88-1
891

[0,0,-1,0,1,-1,-1,0,-2,1,-1,-1,1,-1,0,0,1,-2,-1,1,
 -2,-1,-1,-1,2,1,-3,-1,1,0,-1,0,-2,1,0,-2,1,-1,0,1,
 1,-2,-1,-1,-1,-1,-1,-1,-2,2,0,1,1,-3,0,-1,-2,1,-1,
 0,1,-1,-3,0,2,-2,-1,1,-2,0,-1,-2,1,1,1,-1,-2,0,-1,
 1,-4,1,-1,-2,2,-1,0,-1,1]