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A199989 as a simple table

na(n)
18
218
324
442
581
6118
7124
8142
9181
10214
11222
12241
13412
14421
15811
161118
171124
181142
191181
201214
211222
221241
231412
241421
251811
262114
272122
282141
292212
302221
312411
324112
334121
344211
358111
3611118
3711124
3811142
3911181
4011214
4111222
4211241
4311412
4411421
4511811

[8,18,24,42,81,118,124,142,181,214,222,241,412,
 421,811,1118,1124,1142,1181,1214,1222,1241,1412,
 1421,1811,2114,2122,2141,2212,2221,2411,4112,4121,
 4211,8111,11118,11124,11142,11181,11214,11222,
 11241,11412,11421,11811]