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A348952 as a simple table

na(n)
10
21
3-1
41
5-1
62
7-1
80
9-1
102
11-1
121
13-1
142
15-2
160
17-1
183
19-1
201
21-2
222
23-1
240
25-1
262
27-2
281
29-1
304
31-1
32-1
33-2
342
35-2
362
37-1
382
39-2
400
41-1
424
43-1
441
45-3
462
47-1
48-1
49-1
503
51-2
521
53-1
544
55-2
560
57-2
582
59-1
602
61-1
622
63-3
64-1
65-2
664
67-1
681
69-2
704
71-1
720
73-1
742
75-3
761
77-2
784
79-1
80-1

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