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A121802 as a simple table

na(n)
01
11
21
31
40
51
60
70
80
90
101
111
120
131
141
150
161
171
180
191
200
211
221
231
240
250
260
270
281
290
301
310
320
331
341
351
360
371
380
390
401

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