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A161243 as a simple table

na(n)
10
20
30
41
51
61
71
82
91
102
111
124
132
144
154
166
175
188
197
2010
219
2212
2311
2416
2514
2618
2718
2823
2923
3029
3128
3234
3334
3441
3541
3651
3749
3858
3959
4070
4169
4283
4381
4495
4596
46110
47110
48130
49127
50147
51147
52169
53168
54196
55195
56221
57224
58253
59254
60291
61289
62326
63330
64370
65374
66420
67423
68471
69480
70531
71537

[0,0,0,1,1,1,1,2,1,2,1,4,2,4,4,6,5,8,7,10,9,12,11,
 16,14,18,18,23,23,29,28,34,34,41,41,51,49,58,59,
 70,69,83,81,95,96,110,110,130,127,147,147,169,168,
 196,195,221,224,253,254,291,289,326,330,370,374,
 420,423,471,480,531,537]