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A014275 as a simple table

na(n)
01
1-1
21
3-1
41
5-1
61
70
80
90
100
110
120
130
140
150
160
170
180
191
20-1
211
22-1
231
24-1
251
260
270
280
290
300
310
320
330
340
350
360
370
380
390
400
410
420
430
440
450
460
470
480
490
500
510
520
530
540
550
560
570
580
590
600
610
620
630
640
650
660
670
680
690
700
710
720
730
740
750
760
770
780
790
800

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