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A290885 as a simple table

na(n)
10
2-1
3-1
4-2
50
6-1
7-1
8-2
92
101
111
120
132
141
151
160
174
183
193
202
214
223
233
242
256
265
275
284
296
305
315
324
334
343
353
362
374
383
393
402
416
425
435
444
456
465
475
484
498
507
517
526
538
547
557
566
5710
589
599
608
6110
629
639
648
650
66-1
67-1
68-2
690
70-1
71-1
72-2
732
741
751
760
772
781
791
800
814
823

[0,-1,-1,-2,0,-1,-1,-2,2,1,1,0,2,1,1,0,4,3,3,2,4,
 3,3,2,6,5,5,4,6,5,5,4,4,3,3,2,4,3,3,2,6,5,5,4,6,5,
 5,4,8,7,7,6,8,7,7,6,10,9,9,8,10,9,9,8,0,-1,-1,-2,
 0,-1,-1,-2,2,1,1,0,2,1,1,0,4,3]