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A373260 as a simple table

na(n)
10
21
30
40
50
60
70
80
91
101
110
121
130
141
150
161
170
180
190
200
210
221
230
240
250
261
270
280
290
300
310
320
330
341
350
360
370
381
390
400
410
420
430
440
451
461
470
480
490
501
510
520
530
541
550
560
570
581
590
601
610
621
631
640
650
660
670
680
690
701
710
721
730
741
750
760
770
780
790
801
810
821
830
841
850
861
870
880
890
900
910
920
930
941
950
961
970
981
991
1000
1010
1020
1030
1040
1050
1061
1070
1080
1090
1101
1110
1121
1130
1140
1150
1160
1171
1181
1190
1200
1210

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