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A133912 as a simple table

na(n)
11
21
3-1
41
51
6-2
71
8-1
91
101
11-2
121
131
141
15-3
161
17-1
181
191
20-2
211
22-1
231
241
25-2
261
271
281
29-3
301
31-1
321
331
34-2
351
361
371
38-3
391
401
411
421
43-4
441
45-1
461
471
48-2
491
50-1
511
521
53-2
541
551
561
57-3
581
59-1
601
611
62-2
631
64-1
651
661
67-2
681
691
701
71-3
721
73-1
741
751
76-2
771
781
791
80-3
811
821
831
841
85-4
861
87-1
881
891
90-2
911
92-1
931
941
95-2
961
971
981
99-3
1001
101-1
1021
1031
104-2
1051

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