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A031428 as a simple table

na(n)
15
218
339
468
5105
6150
7174
8203
9264
10333
11370
12410
13495
14588
15689
16793
17798
18855
19915
201040
211105
221173
231313
241314
251378
261387
271462
281463
291620
301785
311958
322138
332139
342222
352232
362328
372525
382730
392834
402943
413164
423393
433630
443741

[5,18,39,68,105,150,174,203,264,333,370,410,495,
 588,689,793,798,855,915,1040,1105,1173,1313,1314,
 1378,1387,1462,1463,1620,1785,1958,2138,2139,2222,
 2232,2328,2525,2730,2834,2943,3164,3393,3630,3741]