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A247394 as a simple table

na(n)
126
228
330
432
534
636
738
840
942
1044
1146
1248
1351
1457
1563
1669
1775
1881
1987
2093
2199
22105
23111
24117
25125
26145
27155
28203
29217
30259
31287
32319
33341
34377
35403
36481
37629
38697
39731
40799
41893
42989
431081
441219
451357
461537
471829
481961
492183
502419
512501
522747
532881
543053

[26,28,30,32,34,36,38,40,42,44,46,48,51,57,63,69,
 75,81,87,93,99,105,111,117,125,145,155,203,217,
 259,287,319,341,377,403,481,629,697,731,799,893,
 989,1081,1219,1357,1537,1829,1961,2183,2419,2501,
 2747,2881,3053]