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A123506 as a simple table

na(n)
20
31
41
50
61
71
81
90
101
110
120
131
141
150
160
170
181
191
200
210
220
230
241
251
261
270
280
290
300
310
321
331
341
351
361
370
380
390
400
410
421
431
441
451
461
471
481
490
500
510
520
530
540
550
560
571

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