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A060318 as a simple table

na(n)
10
20
31
42
50
61
73
80
93
103
113
126
132
142
159
165
175
184
198
205
219
2210
235
244
254
264
279
289
298
3011
3113
3213
3310
3411
3510
368
376
3812
3913
4014
4113
4211
4314
4415
4516
4613
4711
4810
4912
5018
5120
5219
5320
5411
5513
5619
5722
5818
5915
6026
6120
6217
6317
6426
6521
6622
6718
6818
6923
7026
7120
7219
7323
7421
7522
7619
7727
7817
7935

[0,0,1,2,0,1,3,0,3,3,3,6,2,2,9,5,5,4,8,5,9,10,5,4,
 4,4,9,9,8,11,13,13,10,11,10,8,6,12,13,14,13,11,14,
 15,16,13,11,10,12,18,20,19,20,11,13,19,22,18,15,
 26,20,17,17,26,21,22,18,18,23,26,20,19,23,21,22,
 19,27,17,35]