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A247011 as a simple table

na(n)
15
27
313
417
526
633
764
881
998
10140
11171
12176
13190
14201
15215
16225
17318
18332
19336
20444
21469
22475
23495
24551
25558
26563
27577
28601
29636
30671
31828
32849
33862
34870
35948
361004
371064
381074
391189
401198
411230
421238
431305
441328
451445
461449
471528
481618
491634
501642
511679

[5,7,13,17,26,33,64,81,98,140,171,176,190,201,215,
 225,318,332,336,444,469,475,495,551,558,563,577,
 601,636,671,828,849,862,870,948,1004,1064,1074,
 1189,1198,1230,1238,1305,1328,1445,1449,1528,1618,
 1634,1642,1679]