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A226620 as a simple table

na(n)
11
20
31
42
51
63
72
81
94
103
112
121
135
144
152
163
172
181
196
205
212
224
233
242
251
267
276
285
294
304
314
323
332
341
358
367
376
386
393
405
414
423
432
441
459
468
477
488
496
505
512
522
536
545
554
563
572
581
5910
609
618
627
637
645
653
665
674
685
696
705
714
723
732
741
7511
7610
779
788
799
808
818
828
838
844
854
867

[1,0,1,2,1,3,2,1,4,3,2,1,5,4,2,3,2,1,6,5,2,4,3,2,
 1,7,6,5,4,4,4,3,2,1,8,7,6,6,3,5,4,3,2,1,9,8,7,8,6,
 5,2,2,6,5,4,3,2,1,10,9,8,7,7,5,3,5,4,5,6,5,4,3,2,
 1,11,10,9,8,9,8,8,8,8,4,4,7]