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A083723 as a simple table

na(n)
12
27
317
431
559
683
7125
8159
9215
10299
11351
12455
13545
14615
15719
16863
171019
181115
191291
201439
211553
221759
231931
242159
252449
262651
272807
283023
293189
303419
313967
324223
334553
344759
355249
365471
375845
386231
396551
406959
417379
427643
438255
448535
458909
469199
479963

[2,7,17,31,59,83,125,159,215,299,351,455,545,615,
 719,863,1019,1115,1291,1439,1553,1759,1931,2159,
 2449,2651,2807,3023,3189,3419,3967,4223,4553,4759,
 5249,5471,5845,6231,6551,6959,7379,7643,8255,8535,
 8909,9199,9963]