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A209346 as a simple table

na(n)
15
240
3145
4400
5883
61724
73045
85026
97827
1011684
1116795
1223446
1331879
1442430
1555379
1671118
1789965
18112362
19138671
20169384
21204901
22245770
23292429
24345476
25405393
26472828
27548301
28632516
29726031
30829600
31943825
321069510
331207295

[5,40,145,400,883,1724,3045,5026,7827,11684,16795,
 23446,31879,42430,55379,71118,89965,112362,138671,
 169384,204901,245770,292429,345476,405393,472828,
 548301,632516,726031,829600,943825,1069510,
 1207295]