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A026920 as a simple table

na(n)
11
20
31
41
50
61
70
81
90
101
111
121
131
140
151
160
172
181
191
200
211
221
231
243
251
261
270
281
290
302
312
323
331
341
350
361
371
382
394
403
413
421
431
440
451
460
473
483
495
503
513
521
531
540
551
561
572
586
595
606
613
623
631
641
650
661
670
683
695
708
716
726
733
743
751
761
770
781
791
803
818
828
8310
847
856
863
873
881
891
900
911
920
934
947
9512
9610
9711
987
996
1003
1013
1021
1031
1040
1051

[1,0,1,1,0,1,0,1,0,1,1,1,1,0,1,0,2,1,1,0,1,1,1,3,
 1,1,0,1,0,2,2,3,1,1,0,1,1,2,4,3,3,1,1,0,1,0,3,3,5,
 3,3,1,1,0,1,1,2,6,5,6,3,3,1,1,0,1,0,3,5,8,6,6,3,3,
 1,1,0,1,1,3,8,8,10,7,6,3,3,1,1,0,1,0,4,7,12,10,11,
 7,6,3,3,1,1,0,1]