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A339519 as a simple table

na(n)
19
215
327
439
545
691
7117
8121
9135
10143
11195
12287
13351
14507
15585
16741
171521
181547
191573
201755
211935
222015
232067
242535
252601
263157
273227
283445
293505
303519
313731
324563
334879
344921
356201
366273
376543
386591
396721
407605
417803
428099
4310335
4410377
4510403
4610515

[9,15,27,39,45,91,117,121,135,143,195,287,351,507,
 585,741,1521,1547,1573,1755,1935,2015,2067,2535,
 2601,3157,3227,3445,3505,3519,3731,4563,4879,4921,
 6201,6273,6543,6591,6721,7605,7803,8099,10335,
 10377,10403,10515]