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A053521 as a simple table

na(n)
11
21
33
45
59
615
725
841
967
10109
11177
12287
13465
14753
151219
161973
173193
185167
198361
206765
211891
228657
235275
246967
253061
265015
278077
286547
297313
306931
317123
321757
338881
34665
359547
365107
37229
385337
395567
405453
415511
425483
432749
448233
451373
469607

[1,1,3,5,9,15,25,41,67,109,177,287,465,753,1219,
 1973,3193,5167,8361,6765,1891,8657,5275,6967,3061,
 5015,8077,6547,7313,6931,7123,1757,8881,665,9547,
 5107,229,5337,5567,5453,5511,5483,2749,8233,1373,
 9607]