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A097291 as a simple table

na(n)
11
21
32
42
51
63
73
82
93
101
114
124
132
144
153
164
171
185
195
202
215
223
235
244
255
261
276
286
292
306
313
326
334
346
355
366
371
387
397
402
417
423
437
444
457
465
477
486
497
501
518
528
532
548
553
568
574
588
595
608
616
628
637
648
651
669
679
682
699
703
719
724
739
745
759
766
779
787
799
808
819
821
8310
8410
852
8610
873
8810
894
9010
915
9210
936
9410
957
9610
978
9810
999
10010

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