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A295115 as a simple table

na(n)
13
29
326
477
5226
6665
71960
85769
916983
1049998
11147198
12433361
131275825
143756068
1511058011
1632555211
1795843749
18282167522
19830711657
202445646047
217200072866
2221197281911
2362405585330
24183724361820
25540891347189
261592404221036

[3,9,26,77,226,665,1960,5769,16983,49998,147198,
 433361,1275825,3756068,11058011,32555211,95843749,
 282167522,830711657,2445646047,7200072866,
 21197281911,62405585330,183724361820,540891347189,
 1592404221036]