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A011720 as a simple table

na(n)
00
10
20
30
40
50
60
71
81
90
100
110
121
131
141
151
161
170
181
190
200
211
220
231
241
250
261
271
280
291
300
310
320
330
340
351
360
370
381
390
401
410
421
431
441
450
460
471
481
491
501
510
520
530
540
550
560
570
581
591
600
610
620
631
641
651
661
671
680
691
700
710
721
730
741
751
760
771
781
790
801

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