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A163313 as a simple table

na(n)
11
22
31
43
51
63
74
82
93
107
115
122
133
147
1516
166
173
186
197
2016
2133
227
233
246
257
2616
2733
2871
298
304
316
3214
3316
3433
3571
36143
379
384
399
4014
4116
4233
4371
44143
45295
4610
475
489
4914
5032
5133
5271
53143
54295
55594

[1,2,1,3,1,3,4,2,3,7,5,2,3,7,16,6,3,6,7,16,33,7,3,
 6,7,16,33,71,8,4,6,14,16,33,71,143,9,4,9,14,16,33,
 71,143,295,10,5,9,14,32,33,71,143,295,594]