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A121559 as a simple table

na(n)
11
20
30
41
50
61
70
81
90
100
110
121
130
141
150
160
170
181
190
201
210
220
230
241
250
260
271
280
290
301
310
321
330
340
351
360
370
381
390
400
410
421
430
441
450
460
470
481
490
500
511
520
530
541
550
560
571
580
590
601
610
621
630
640
651
660
670
681
690
700
710
721
730
741
750
760
771
780
790
801
810
820
830
841
850
860
871
880
890
901
910
920
931
940
951
960
970
981
990
1000
1010
1021
1030
1041
1050

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