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A168120 as a simple table

na(n)
01
11
21
31
40
51
62
71
80
91
102
110
120
130
141
153
161
171
180
190
201
214
220
230
240
250
260
271
285
292
300
311
320
330
340
351
366
370
381
390
400
410
420
430
441
458
462
470
480
491
500
510
520
530
541
5510
560
570
580
590
600
610
620
630
640
651
6612
673
682
691
700
711
720
730
740
750
760
771
7815
790
800
810
820
830
840
850
860
870
880
890
901

[1,1,1,1,0,1,2,1,0,1,2,0,0,0,1,3,1,1,0,0,1,4,0,0,
 0,0,0,1,5,2,0,1,0,0,0,1,6,0,1,0,0,0,0,0,1,8,2,0,0,
 1,0,0,0,0,1,10,0,0,0,0,0,0,0,0,0,1,12,3,2,1,0,1,0,
 0,0,0,0,1,15,0,0,0,0,0,0,0,0,0,0,0,1]