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A049823 as a simple table

na(n)
10
20
30
40
51
60
72
81
92
102
114
121
134
144
154
164
177
182
196
205
216
228
238
245
257
267
278
287
2910
307
3110
329
339
3411
3512
366
3711
3812
3910
4010
4112
4211
4310
4415
4512
4614
4714
4810
4914
5011
5116
5214
5312
5412
5517
5616
5716
5816
5914
6014
6110
6218
6315
6416
6520
6617
6716
6818
6919
7019

[0,0,0,0,1,0,2,1,2,2,4,1,4,4,4,4,7,2,6,5,6,8,8,5,
 7,7,8,7,10,7,10,9,9,11,12,6,11,12,10,10,12,11,10,
 15,12,14,14,10,14,11,16,14,12,12,17,16,16,16,14,
 14,10,18,15,16,20,17,16,18,19,19]