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A205696 as a simple table

na(n)
11
21
32
41
52
61
73
82
91
104
113
122
131
144
153
162
175
184
193
201
216
225
234
243
252
266
275
284
292
301
317
326
335
344
353
361
378
387
396
405
414
422
431
449
458
467
476
485
493
502
511
529
538
547
555
564
573
5810
599
608
616
625
634
641
6511
6610
679
688
697
705
714
723
732
7411
7510
769
777
786
795
802

[1,1,2,1,2,1,3,2,1,4,3,2,1,4,3,2,5,4,3,1,6,5,4,3,
 2,6,5,4,2,1,7,6,5,4,3,1,8,7,6,5,4,2,1,9,8,7,6,5,3,
 2,1,9,8,7,5,4,3,10,9,8,6,5,4,1,11,10,9,8,7,5,4,3,
 2,11,10,9,7,6,5,2]