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A309199 as a simple table

na(n)
11
27
39
431
525
671
749
8127
981
10199
11121
12287
13169
14391
15225
16511
17289
18567
19361
20799
21441
22847
23529
241151
25625
261351
27729
281567
29841
301224
31961
322047
331089
342311
351225
362591
371369
382887
39845
403199
411681
423087
431849
443871
452025
463703
472209
484607
492401
504375

[1,7,9,31,25,71,49,127,81,199,121,287,169,391,225,
 511,289,567,361,799,441,847,529,1151,625,1351,729,
 1567,841,1224,961,2047,1089,2311,1225,2591,1369,
 2887,845,3199,1681,3087,1849,3871,2025,3703,2209,
 4607,2401,4375]