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A128980 as a simple table

na(n)
11
20
31
41
50
61
70
80
90
101
113
120
130
140
151
160
171
180
190
200
211
225
230
240
250
260
270
281
290
300
310
320
330
340
350
361
370
380
391
400
410
420
430
440
451
460
473
480
490
500
510
520
530
540
551

[1,0,1,1,0,1,0,0,0,1,3,0,0,0,1,0,1,0,0,0,1,5,0,0,
 0,0,0,1,0,0,0,0,0,0,0,1,0,0,1,0,0,0,0,0,1,0,3,0,0,
 0,0,0,0,0,1]