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A049257 as a simple table

na(n)
12
20
36
42
513
612
72
80
99
102
117
126
132
144
153
162
171
180
1918
2018
2118
2218
231
2418
252
2618
2718
282
2918
3018
312
320
3318
342
357
3618
372
3810
396
402
4118
4218
4318
4418
4518
462
471
4818
492
500
5118
522
5318
5418
552
5616
5715
582
5913
6012
612
624
639
648
657
666
675
684
693
702
711
720
7318
7418
7518
7618
7718
7818
792
8018
8118
822
8313
8418

[2,0,6,2,13,12,2,0,9,2,7,6,2,4,3,2,1,0,18,18,18,
 18,1,18,2,18,18,2,18,18,2,0,18,2,7,18,2,10,6,2,18,
 18,18,18,18,2,1,18,2,0,18,2,18,18,2,16,15,2,13,12,
 2,4,9,8,7,6,5,4,3,2,1,0,18,18,18,18,18,18,2,18,18,
 2,13,18]