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A229217 as a simple table

na(n)
11
22
31
4-2
51
62
7-1
82
91
102
111
122
131
14-2
151
16-2
171
18-2
19-1
20-2
211
222
231
24-2
251
262
27-1
282
291
302
31-1
32-2
33-1
342
35-1
362
37-1
382
391
402
411
422
431
44-2
451
462
47-1
482
491
502
511
522
531
54-2
551
562
57-1
582
591
602
611
622
631
64-2
651
66-2
671
68-2
69-1
70-2
711
722
731
74-2
751
76-2
771
78-2
79-1
80-2
811
822
831
84-2
851
86-2
871
88-2
89-1
90-2
91-1
92-2
93-1
942
95-1
96-2
971
98-2
99-1
100-2
1011
1022
1031
104-2
1051
1062
107-1

[1,2,1,-2,1,2,-1,2,1,2,1,2,1,-2,1,-2,1,-2,-1,-2,1,
 2,1,-2,1,2,-1,2,1,2,-1,-2,-1,2,-1,2,-1,2,1,2,1,2,
 1,-2,1,2,-1,2,1,2,1,2,1,-2,1,2,-1,2,1,2,1,2,1,-2,
 1,-2,1,-2,-1,-2,1,2,1,-2,1,-2,1,-2,-1,-2,1,2,1,-2,
 1,-2,1,-2,-1,-2,-1,-2,-1,2,-1,-2,1,-2,-1,-2,1,2,1,
 -2,1,2,-1]