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A321915 as a simple table

na(n)
11
22
3-1
4-1
51
63
7-3
81
9-3
105
11-2
121
13-2
141
154
16-2
17-4
184
19-1
20-2
213
222
23-4
241
25-4
262
277
28-7
292
304
31-4
32-7
3310
34-3
35-1
361
372
38-3
391
405
41-5
42-5
435
445
45-5
461
47-5
489
495
50-7
51-9
529
53-2
54-5
555
5611
57-11
58-8
5910
60-2
615
62-7
63-11
6414
6510
66-14
673
685
69-9
70-8
7110
7212

[1,2,-1,-1,1,3,-3,1,-3,5,-2,1,-2,1,4,-2,-4,4,-1,
 -2,3,2,-4,1,-4,2,7,-7,2,4,-4,-7,10,-3,-1,1,2,-3,1,
 5,-5,-5,5,5,-5,1,-5,9,5,-7,-9,9,-2,-5,5,11,-11,-8,
 10,-2,5,-7,-11,14,10,-14,3,5,-9,-8,10,12]