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A209117 as a simple table

na(n)
15
263
3261
4741
51683
63325
75935
89835
915397
1023039
1133209
1246421
1363227
1484225
15110055
16141411
17179025
18223687
19276217
20337489
21408427
22490001
23583211
24689123
25808841
26943515
271094337
281262553
291449447
301656361
311884667
322135791
332411209

[5,63,261,741,1683,3325,5935,9835,15397,23039,
 33209,46421,63227,84225,110055,141411,179025,
 223687,276217,337489,408427,490001,583211,689123,
 808841,943515,1094337,1262553,1449447,1656361,
 1884667,2135791,2411209]