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A272705 as a simple table

na(n)
01
15
213
325
449
569
6109
7137
8193
9229
10301
11345
12433
13485
14589
15649
16769
17837
18973
191049
201201
211285
221453
231545
241729
251829
262029
272137
282353
292469
302701
312825
323073
333205
343469
353609
363889
374037
384333
394489
404801
414965
425293
435465
445809
455989
466349

[1,5,13,25,49,69,109,137,193,229,301,345,433,485,
 589,649,769,837,973,1049,1201,1285,1453,1545,1729,
 1829,2029,2137,2353,2469,2701,2825,3073,3205,3469,
 3609,3889,4037,4333,4489,4801,4965,5293,5465,5809,
 5989,6349]