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A128189 as a simple table

na(n)
11
2-1
31
40
50
61
70
80
90
101
110
120
131
140
151
160
170
18-1
191
200
211
220
230
241
250
261
270
281
290
300
310
320
330
341
350
361
370
380
390
400
411
420
431
440
451
460
470
48-1
491
50-1
511
520
531
540
551

[1,-1,1,0,0,1,0,0,0,1,0,0,1,0,1,0,0,-1,1,0,1,0,0,
 1,0,1,0,1,0,0,0,0,0,1,0,1,0,0,0,0,1,0,1,0,1,0,0,
 -1,1,-1,1,0,1,0,1]