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A252518 as a simple table

na(n)
1475
2798
31783
42818
58354
621510
739689
8125839
9336794
10629921
112053845
125597331
1310478832
1434721174
1595598360
16178987291
17598478883
181657157188
193102740091
2010426225275
2128958128577
2254219655326
23182680987768
24508211364604

[475,798,1783,2818,8354,21510,39689,125839,336794,
 629921,2053845,5597331,10478832,34721174,95598360,
 178987291,598478883,1657157188,3102740091,
 10426225275,28958128577,54219655326,182680987768,
 508211364604]