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A308068 as a simple table

na(n)
10
20
30
40
51
61
70
80
92
102
111
121
133
143
152
162
175
185
193
203
217
227
235
245
259
269
277
287
2912
3012
319
329
3315
3415
3512
3612
3718
3818
3915
4015
4122
4222
4318
4418
4526
4626
4722
4822
4930
5030
5126
5226
5335
5435
5530
5630
5740
5840
5935
6035
6145
6245
6340
6440
6551
6651
6745
6845
6957
7057
7151
7251

[0,0,0,0,1,1,0,0,2,2,1,1,3,3,2,2,5,5,3,3,7,7,5,5,
 9,9,7,7,12,12,9,9,15,15,12,12,18,18,15,15,22,22,
 18,18,26,26,22,22,30,30,26,26,35,35,30,30,40,40,
 35,35,45,45,40,40,51,51,45,45,57,57,51,51]