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A273204 as a simple table

na(n)
01
15
213
321
433
537
677
781
881
9113
10169
11177
12165
13205
14313
15297
16301
17321
18505
19421
20485
21477
22737
23589
24693
25677
26961
27805
28945
29921
301253
311037
321241
331201
341577
351349
361557
371505
381901
391673
401829
411801
422225
432041
442169
452293
462613
472477
482521
492685

[1,5,13,21,33,37,77,81,81,113,169,177,165,205,313,
 297,301,321,505,421,485,477,737,589,693,677,961,
 805,945,921,1253,1037,1241,1201,1577,1349,1557,
 1505,1901,1673,1829,1801,2225,2041,2169,2293,2613,
 2477,2521,2685]