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A123562 as a simple table

na(n)
01
11
21
31
4-1
51
61
7-3
8-3
91
101
11-5
12-3
13-5
141
151
16-7
171
181
19-7
201
211
22-9
239
2411
259
26-9
271
281
29-11
3021
3117
3217
3321
34-11
351
361
37-13
3837
3911
401
4111
4237
43-13
441
451
46-15
4757
48-15
49-39
50-39
51-15
5257
53-15
541
551
56-17
5781
58-69
59-87
60-81
61-87
62-69
6381
64-17
651

[1,1,1,1,-1,1,1,-3,-3,1,1,-5,-3,-5,1,1,-7,1,1,-7,
 1,1,-9,9,11,9,-9,1,1,-11,21,17,17,21,-11,1,1,-13,
 37,11,1,11,37,-13,1,1,-15,57,-15,-39,-39,-15,57,
 -15,1,1,-17,81,-69,-87,-81,-87,-69,81,-17,1]