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A176263 as a simple table

na(n)
01
11
21
31
4-4
51
61
7-4
8-4
91
101
11-29
12-29
13-29
141
151
16-54
17-79
18-79
19-54
201
211
22-204
23-254
24-279
25-254
26-204
271
281
29-479
30-679
31-729
32-729
33-679
34-479
351
361
37-1504
38-1979
39-2179
40-2204
41-2179
42-1979
43-1504
441
451
46-3904
47-5404
48-5879
49-6054
50-6054
51-5879
52-5404
53-3904
541

[1,1,1,1,-4,1,1,-4,-4,1,1,-29,-29,-29,1,1,-54,-79,
 -79,-54,1,1,-204,-254,-279,-254,-204,1,1,-479,
 -679,-729,-729,-679,-479,1,1,-1504,-1979,-2179,
 -2204,-2179,-1979,-1504,1,1,-3904,-5404,-5879,
 -6054,-6054,-5879,-5404,-3904,1]