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A257710 as a simple table

na(n)
15
232
3291
4661
54102
68515
713685
8113558
9182368
10377701
112290342
125027232
1330483491
1463130838
15101378488
16840238915
171349295285
182794368792
1916944086651
2037191598501
21225516999142
22467042067835
23749998177365
246216087516438
259982086472888
2620672740082341

[5,32,291,661,4102,8515,13685,113558,182368,
 377701,2290342,5027232,30483491,63130838,
 101378488,840238915,1349295285,2794368792,
 16944086651,37191598501,225516999142,467042067835,
 749998177365,6216087516438,9982086472888,
 20672740082341]