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A280711 as a simple table

na(n)
11
20
31
41
51
60
70
80
91
100
111
121
131
141
151
161
170
181
191
200
211
220
230
240
251
261
270
280
290
301
310
320
330
340
350
360
370
380
391
400
410
420
430
441
451
460
470
480
491
500
510
520
530
540
550
560
570
580
590
600
611
620
630
641
650
660
671
680
690
700
711
721
730
740
751
760
771
780
790
801
810
820
831
841
850
860
871
881
890
900
910
920
930
941
950
961
970
981
990
1000
1011
1020
1031
1041
1050
1061
1070
1081
1091
1100
1110
1121
1130
1141
1151
1160
1170
1181
1191
1200
1211

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