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A059581 as a simple table

na(n)
1-1
21
3-1
40
5-2
60
7-2
8-2
9-1
101
11-1
12-1
13-3
14-1
151
162
170
180
19-2
20-2
210
222
230
240
251
263
273
283
291
30-1
31-3
32-3
33-1
341
353
364
372
384
396
406
414
422
430
440
450
462
470
480
491
501
513
523
531
541
553
563
575
587
595
605
613
625
635
646
658
666
674
684
696
704
712
722
730
742
752
762
774
782
790
800
811
823
831
841
853
865
877
887
895
905
917
927
939

[-1,1,-1,0,-2,0,-2,-2,-1,1,-1,-1,-3,-1,1,2,0,0,-2,
 -2,0,2,0,0,1,3,3,3,1,-1,-3,-3,-1,1,3,4,2,4,6,6,4,
 2,0,0,0,2,0,0,1,1,3,3,1,1,3,3,5,7,5,5,3,5,5,6,8,6,
 4,4,6,4,2,2,0,2,2,2,4,2,0,0,1,3,1,1,3,5,7,7,5,5,7,
 7,9]