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A153869 as a simple table

na(n)
11
21
30
41
52
60
70
82
93
100
110
120
133
144
150
160
170
180
194
205
210
220
230
240
250
265
276
280
290
300
310
320
330
346
357
360
370
380
390
400
410
420
437
448
450
460
470
480
490
500
510
520
538
549
550

[1,1,0,1,2,0,0,2,3,0,0,0,3,4,0,0,0,0,4,5,0,0,0,0,
 0,5,6,0,0,0,0,0,0,6,7,0,0,0,0,0,0,0,7,8,0,0,0,0,0,
 0,0,0,8,9,0]