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A244611 as a simple table

na(n)
11
21
3-1
41
50
6-1
70
81
91
100
110
12-1
130
140
150
161
170
181
190
200
210
220
230
24-1
251
260
27-1
280
290
300
310
321
330
340
350
361
370
380
390
400
410
420
430
440
450
460
470
48-1
491
501
510
520
530
54-1
550
560
570
580
590
600
610
620
630
641
650
660
670
680
690
700
710
721
730
740
75-1
760
770
780
790
800
811
820
830
840
850
860
870
880
890
900
910
920
930
940
950
96-1
970
981
990
1001

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