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A085097 as a simple table

na(n)
11
2-1
32
40
5-1
6-2
7-1
80
9-3
101
11-1
120
13-1
141
15-2
160
17-1
183
19-1
200
21-2
221
23-1
240
250
261
270
280
29-1
302
31-1
320
33-2
341
351
360
37-1
381
39-2
400
41-1
422
43-1
440
453
461
47-1
480
490
500
51-2
520
53-1
540
551
560
57-2
581
59-1
600
61-1
621
633
640
651
662
67-1
680
69-2
70-1
71-1
720
73-1
741
750
760
771
782
79-1
800
810
821
83-1
840
851
861
87-2
880
89-1
90-3
911
920
93-2
941
951
960
97-1
980
993
1000
101-1
1022
103-1
1040
1052
1061
107-1
1080

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