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A131309 as a simple table

na(n)
01
11
21
30
41
51
60
71
81
90
101
110
121
131
140
151
161
170
181
190
201
211
220
231
241
250
261
270
281
291
300
311
320

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