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A178498 as a simple table

na(n)
10
20
30
40
50
61
70
80
90
101
110
121
130
141
150
160
170
182
190
201
211
221
230
240
250
261
270
280
290
301
310
320
330
341
350
361
370
381
391
400
410
422
430
440
450
461
470
482
490
502
510
521
530
543
551
561
571
581
590
600
610
621
630
640
650
661
670
681
690
701
710
722
730
741
751
760
770
782
790
801
810
821
830
841
850
861
870
880
890
902
910
920
931
941
950
960
970
982
990
1003

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