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A173189 as a simple table

na(n)
21
30
411
50
61
72
81
90
1017
110
120
136
140
150
163
170
180
195
201
210
220
230
241
252
263
270
282
290
301
315
320
331
342
350
363
375
381
390
404
410
420
436
441
450
463
473
481
498
502
510
523
531
541
553
561
570
583
590
601
615
623
630
648
650
662
677
682
690
705
710
720
734
740
752
764
770
782

[1,0,11,0,1,2,1,0,17,0,0,6,0,0,3,0,0,5,1,0,0,0,1,
 2,3,0,2,0,1,5,0,1,2,0,3,5,1,0,4,0,0,6,1,0,3,3,1,8,
 2,0,3,1,1,3,1,0,3,0,1,5,3,0,8,0,2,7,2,0,5,0,0,4,0,
 2,4,0,2]