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A307425 as a simple table

na(n)
11
21
31
40
51
61
71
8-1
90
101
111
120
131
141
151
16-1
171
180
191
200
211
221
231
24-1
250
261
27-1
280
291
301
311
320
331
341
351
360
371
381
391
40-1
411
421
431
440
450
461
471
48-1
490
500
511
520
531
54-1
551
56-1
571
581
591
600
611
621
630
640
651
661
671
680
691
701
711
720
731
741
750
760
771
781
791
80-1
81-1
821
831

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