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A286185 as a simple table

na(n)
13
215
355
4173
5511
61451
74019
810937
929371
1078055
11205679
12538149
131399607
143621315
159327723
1623931633
1761186163
18155949119
19396369831
201004904733
212541896559
226416348251
2316165611043
2440657256617
25102090514731
26255968753175
27640899345631
281602640560533

[3,15,55,173,511,1451,4019,10937,29371,78055,
 205679,538149,1399607,3621315,9327723,23931633,
 61186163,155949119,396369831,1004904733,
 2541896559,6416348251,16165611043,40657256617,
 102090514731,255968753175,640899345631,
 1602640560533]