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A181567 as a simple table

na(n)
01
11
21
31
42
53
62
71
81
93
106
1110
1212
1312
1410
156
163
171
181
194
2010
2120
2235
2352
2468
2580
2685
2780
2868
2952
3035
3120
3210
334
341
351
365
3715
3835
3970
40126
41205
42305
43420
44540
45651
46735
47780
48780
49735
50651
51540
52420
53305
54205
55126
5670
5735
5815
595
601
611
626
6321
6456
65126
66252
67462
68786
691251

[1,1,1,1,2,3,2,1,1,3,6,10,12,12,10,6,3,1,1,4,10,
 20,35,52,68,80,85,80,68,52,35,20,10,4,1,1,5,15,35,
 70,126,205,305,420,540,651,735,780,780,735,651,
 540,420,305,205,126,70,35,15,5,1,1,6,21,56,126,
 252,462,786,1251]