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A283497 as a simple table

na(n)
10
2-1
30
4-1
50
60
70
8-1
90
100
112
120
131
140
150
16-1
170
180
191
200
210
222
233
240
250
262
270
280
292
300
310
32-1
330
340
352
360
372
382
394
404
416
420
431
444
453
466
475
480
490
502
512
524
534
540
556
562
572
582
594
600
611
620
630
64-1
650
660
671
680
694
704
711
720
733
742
753
764
775
788
792
800
814
8210
836
840
858
866
8710
884

[0,-1,0,-1,0,0,0,-1,0,0,2,0,1,0,0,-1,0,0,1,0,0,2,
 3,0,0,2,0,0,2,0,0,-1,0,0,2,0,2,2,4,4,6,0,1,4,3,6,
 5,0,0,2,2,4,4,0,6,2,2,2,4,0,1,0,0,-1,0,0,1,0,4,4,
 1,0,3,2,3,4,5,8,2,0,4,10,6,0,8,6,10,4]