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A143979 as a simple table

na(n)
10
21
31
42
52
62
72
84
94
102
113
125
136
145
153
164
176
188
198
206
214
224
238
2410
2510
2610
278
284
295
309
3112
3213
3313
3412
359
365
376
3810
3914
4016
4116
4216
4314
4410
456
466
4712
4816
4918
5020
5120
5218
5316
5412
556
567
5713
5818
5921
6023
6124
6223
6321
6418
6513
667
678
6814
6920
7024
7126
7228
7328
7426
7524
7620
7714
788

[0,1,1,2,2,2,2,4,4,2,3,5,6,5,3,4,6,8,8,6,4,4,8,10,
 10,10,8,4,5,9,12,13,13,12,9,5,6,10,14,16,16,16,14,
 10,6,6,12,16,18,20,20,18,16,12,6,7,13,18,21,23,24,
 23,21,18,13,7,8,14,20,24,26,28,28,26,24,20,14,8]