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A373859 as a simple table

na(n)
119
229
3-1
4499
559
6-1
779
889
9-1
10109
111199999
12-1
13139
14149
15-1
161699
17179
18-1
19199
202099
21-1
22229
23239
24-1
2525999
26269
27-1
28289999
292999
30-1
31319999999999999999999999999999
323299
33-1
34349
35359
36-1
37379
38389
39-1
40409
41419
42-1
43439
44449
45-1

[19,29,-1,499,59,-1,79,89,-1,109,1199999,-1,139,
 149,-1,1699,179,-1,199,2099,-1,229,239,-1,25999,
 269,-1,289999,2999,-1,
 319999999999999999999999999999,3299,-1,349,359,-1,
 379,389,-1,409,419,-1,439,449,-1]