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A247628 as a simple table

na(n)
152
22660
314440
414770
553679
659085
793770
8101435
9488897
101326547
111708955
123006960
137917044
148445638
159134659
169905820
1710064091
1811707299
1915212090
2034154721
2139238738
2248407196
2386730401
24161428391
25203306292
26243361040
27323734799
28510916782
29742150423

[52,2660,14440,14770,53679,59085,93770,101435,
 488897,1326547,1708955,3006960,7917044,8445638,
 9134659,9905820,10064091,11707299,15212090,
 34154721,39238738,48407196,86730401,161428391,
 203306292,243361040,323734799,510916782,742150423]