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A131257 as a simple table

na(n)
01
10
21
30
41
51
6-1
72
81
91
100
111
123
131
141
150
161
174
183
191
201
211
220
236
245
253
261
271
280
291
306
3110
325
333
341
351
360
371
387
3915
4011
415
423
431
441
45-1
462
477
4822
4920
5011
515
523
531
541
550
561
579
5828
5936
6021
6111
625
633
641
651
660
671
6810
6936
7057
7142
7221
7311
745
753
761
771
781
790
8012
8144
8286
8377
8443
8521
8611
875
883
891
901

[1,0,1,0,1,1,-1,2,1,1,0,1,3,1,1,0,1,4,3,1,1,1,0,6,
 5,3,1,1,0,1,6,10,5,3,1,1,0,1,7,15,11,5,3,1,1,-1,2,
 7,22,20,11,5,3,1,1,0,1,9,28,36,21,11,5,3,1,1,0,1,
 10,36,57,42,21,11,5,3,1,1,1,0,12,44,86,77,43,21,
 11,5,3,1,1]