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A281084 as a simple table

na(n)
01
11
20
30
40
50
60
71
81
90
100
110
120
130
140
150
160
170
180
191
201
210
220
230
240
250
261
271
280
290
300
310
320
330
340
350
360
371
381
390
400
410
420
430
441
451
460
470
480
490
500
510
520
530
540
550
561
571
580
590
600
611
621
631
641
650
660
670
681
691
700
710
720
730
740
750
760
770
780
790
801
811
820
830
840
850
860
871
881
890
900
911
921
930
940
950
960
970
982
992
1000
1010
1020
1030
1040
1051

[1,1,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,
 0,0,1,1,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,1,1,0,0,0,
 0,0,0,0,0,0,0,1,1,0,0,0,1,1,1,1,0,0,0,1,1,0,0,0,0,
 0,0,0,0,0,0,1,1,0,0,0,0,0,1,1,0,0,1,1,0,0,0,0,0,2,
 2,0,0,0,0,0,1]