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A049735 as a simple table

na(n)
01
15
25
313
49
513
629
721
821
929
1049
1137
1225
1337
1449
1581
1657
1745
1845
1957
2081
21113
2289
2369
2461
2569
2689
27113
28149
29121
3097
3181
3281
3397
34121
35149
36197
37161
38129
39109
40101
41109
42129
43161
44197
45253
46213
47177
48145
49137
50137
51145
52177
53213
54253

[1,5,5,13,9,13,29,21,21,29,49,37,25,37,49,81,57,
 45,45,57,81,113,89,69,61,69,89,113,149,121,97,81,
 81,97,121,149,197,161,129,109,101,109,129,161,197,
 253,213,177,145,137,137,145,177,213,253]