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A181923 as a simple table

na(n)
11
20
30
40
51
60
70
80
91
100
110
120
131
140
150
161
170
181
190
200
210
221
230
241
250
260
271
280
290
300
311
320
330
341
350
361
370
380
391
400
411
420
430
440
451
460
471
480
490
501
510
520
530
541
550
561
570
580
591
600
610
621
630
641
650
660
671
680
691
700
711
720
730
741
750
760
770
781
790
800
810
821
830
840
851
860
871
880
891
900
911
920
931
940
951
960
970
981
990
1000
1011
1020
1031
1040
1050
1060
1071
1080
1091
1100
1111
1120
1131
1140
1150
1160
1171
1180
1191
1200
1210

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