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A238999 as a simple table

na(n)
01
10
21
31
41
52
62
72
84
93
105
115
126
138
148
1510
1612
1712
1816
1916
2019
2123
2223
2328
2431
2533
2640
2741
2847
2953
3056
3164
3269
3375
3486
3589
36101
37109
38117
39131
40139
41151
42168
43175
44195
45208
46223
47245
48259
49280
50304
51320
52350
53370
54397
55430
56452
57488
58521
59550
60596
61626

[1,0,1,1,1,2,2,2,4,3,5,5,6,8,8,10,12,12,16,16,19,
 23,23,28,31,33,40,41,47,53,56,64,69,75,86,89,101,
 109,117,131,139,151,168,175,195,208,223,245,259,
 280,304,320,350,370,397,430,452,488,521,550,596,
 626]