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A248623 as a simple table

na(n)
10
21
31
41
51
61
72
81
91
102
111
122
132
141
151
162
172
182
191
201
212
222
232
241
252
262
272
281
292
303
312
321
332
341
352
362
373
382
392
403
412
422
432
442
452
464
472
482
493
502
512
523
532
541
554
563
573
583
592
602
613
622
632
644
651
662
674
682
694
702
713
723
731
744
752
762
772
782

[0,1,1,1,1,1,2,1,1,2,1,2,2,1,1,2,2,2,1,1,2,2,2,1,
 2,2,2,1,2,3,2,1,2,1,2,2,3,2,2,3,2,2,2,2,2,4,2,2,3,
 2,2,3,2,1,4,3,3,3,2,2,3,2,2,4,1,2,4,2,4,2,3,3,1,4,
 2,2,2,2]