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A233773 as a simple table

na(n)
1-1
21
3-2
41
5-3
61
72
8-4
91
10-5
111
122
133
14-6
151
16-7
171
182
194
20-8
211
223
23-9
241
252
265
27-10
281
29-11
301
312
323
334
346
35-12
361
37-13
381
392
407
41-14
421
433
445
45-15
461
472
484
498
50-16
511
52-17
531
542
553
566
579
58-18
591
60-19
611
622
634
645
6510
66-20
671
683
697
70-21
711
722
7311
74-22
751
76-23

[-1,1,-2,1,-3,1,2,-4,1,-5,1,2,3,-6,1,-7,1,2,4,-8,
 1,3,-9,1,2,5,-10,1,-11,1,2,3,4,6,-12,1,-13,1,2,7,
 -14,1,3,5,-15,1,2,4,8,-16,1,-17,1,2,3,6,9,-18,1,
 -19,1,2,4,5,10,-20,1,3,7,-21,1,2,11,-22,1,-23]