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A257469 as a simple table

na(n)
01
1-1
2-1
30
40
51
61
70
8-1
90
100
111
12-1
131
140
15-1
160
170
180
19-1
20-1
21-1
221
231
240
251
261
270
281
290
30-1
310
321
33-1
340
35-1
361
37-1
38-1
390
400
410
420
431
441
450
46-1
470
48-1
490
500
510
520
53-1
540
550
560
572
580
590
601
61-1
620
631
640
651
660
671
680
691
70-1
71-1
72-1
730
740
750
76-2
77-1
780

[1,-1,-1,0,0,1,1,0,-1,0,0,1,-1,1,0,-1,0,0,0,-1,-1,
 -1,1,1,0,1,1,0,1,0,-1,0,1,-1,0,-1,1,-1,-1,0,0,0,0,
 1,1,0,-1,0,-1,0,0,0,0,-1,0,0,0,2,0,0,1,-1,0,1,0,1,
 0,1,0,1,-1,-1,-1,0,0,0,-2,-1,0]