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A236677 as a simple table

na(n)
01
10
21
30
40
50
60
70
81
90
101
110
120
130
140
150
161
170
181
190
200
210
220
230
241
250
261
270
280
290
300
310
321
330
341
350
360
370
380
390
401
410
421
430
440
450
460
470
481
490
501
510
520
530
540
550
561
570
581
590
600
610
620
630
641
650
661
670
680
690
700
710
721
730
741
750
760
770
780
790
801
810
821
830
840
850
860
870
881
890
901
910
920
930
940
950
961
970
981
990
1000
1010
1020
1030
1041
1050
1061
1070
1080
1090
1100
1110
1121
1130
1141
1150
1160
1170
1180
1190
1201

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