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A181663 as a simple table

na(n)
11
20
30
40
50
61
70
80
91
100
110
121
130
140
151
160
170
181
190
200
211
220
230
241
250
260
271
280
290
301
310
320
331
340
350
360
370
380
390
401
410
420
430
440
450
461
470
480
490
500
511
520
530
541
550
560
571
580
590
601
610
620
630
640
651
660
670
681
690
700
711
720
730
740
751
760
770
780
790
800
811
820
830
841
850
860
871
880
890
900
911
920
930
941
950
960
970
981
990
1000
1011
1020
1030
1040
1051
1060
1070
1081
1090
1100
1110
1120
1130
1140
1151
1160
1170
1180
1191
1200
1210
1220
1230
1241

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