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A247315 as a simple table

na(n)
11
215
324
469
5114
6133
7147
8153
9186
10198
11258
12270
13276
14288
15306
16339
17366
18393
19429
20474
21495
22507
23609
24627
25639
26717
27763
28817
29871
301062
311080
321083
331086
341141
351149
361158
371224
381257
391266
401267
411278
421305
431339
441356
451374
461377
471386
481431
491446

[1,15,24,69,114,133,147,153,186,198,258,270,276,
 288,306,339,366,393,429,474,495,507,609,627,639,
 717,763,817,871,1062,1080,1083,1086,1141,1149,
 1158,1224,1257,1266,1267,1278,1305,1339,1356,1374,
 1377,1386,1431,1446]