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A072381 as a simple table

na(n)
18
29
310
414
519
622
726
831
934
1041
1153
1259
1361
1471
1573
1679
1789
1894
19101
20107
21109
22113
23121
24127
25151
26167
27173
28191
29193
30199
31227
32251
33271
34277
35293
36331
37353
38397
39401
40467
41587
42599
43601
44613
45631
46653
47743
48991
491091
501223
511373
521487

[8,9,10,14,19,22,26,31,34,41,53,59,61,71,73,79,89,
 94,101,107,109,113,121,127,151,167,173,191,193,
 199,227,251,271,277,293,331,353,397,401,467,587,
 599,601,613,631,653,743,991,1091,1223,1373,1487]