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A247538 as a simple table

na(n)
18
2153
31018
43455
58440
616683
729012
847061
970374
10101211
11139098
12186709
13242550
14310309
15387886
16479071
17581190
18700039
19831330
20980163
211143696
221326791
231525156
241747277
251985126
262246569
272527836
282835111
293161492
303517493
313893824

[8,153,1018,3455,8440,16683,29012,47061,70374,
 101211,139098,186709,242550,310309,387886,479071,
 581190,700039,831330,980163,1143696,1326791,
 1525156,1747277,1985126,2246569,2527836,2835111,
 3161492,3517493,3893824]