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A127504 as a simple table

na(n)
11
21
31
42
50
62
72
82
90
102
114
120
130
140
154
162
172
182
190
200
212
226
230
240
250
260
270
286
294
304
310
324
330
340
350
364
376
380
396
400
410
420
430
440
456
464
474
480
490
504
510
520
530
540
554

[1,1,1,2,0,2,2,2,0,2,4,0,0,0,4,2,2,2,0,0,2,6,0,0,
 0,0,0,6,4,4,0,4,0,0,0,4,6,0,6,0,0,0,0,0,6,4,4,0,0,
 4,0,0,0,0,4]