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A198517 as a simple table

na(n)
01
10
21
30
40
51
60
71
80
90
101
110
121
130
140
151
160
171
180
190
201
210
221
230
240
251
260
271
280
290
301
310
321
330
340
351
360
371
380
390
401
410
421
430
440
451
460
471
480
490
501
510
521
530
540
551
560
571
580
590
601
610
621
630
640
651
660
671
680
690
701
710
721
730
740
751
760
771
780
790
801
810
821
830
840
851
860
871

[1,0,1,0,0,1,0,1,0,0,1,0,1,0,0,1,0,1,0,0,1,0,1,0,
 0,1,0,1,0,0,1,0,1,0,0,1,0,1,0,0,1,0,1,0,0,1,0,1,0,
 0,1,0,1,0,0,1,0,1,0,0,1,0,1,0,0,1,0,1,0,0,1,0,1,0,
 0,1,0,1,0,0,1,0,1,0,0,1,0,1]