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A375911 as a simple table

na(n)
11
23
35
417
59
617
717
815
917
1029
1121
1253
1325
1427
1529
16161
1733
1853
1937
2039
2141
2265
2345
24161
2549
2651
2753
28125
2957
3089
31161
3263
3365
34101
3569
36161
3773
3875
3977
40269
4181
42125
4385
4487
4589
46137
47161
48485
4997
5099
51101
52233
53105
54161
55125
56111
57113
58173
59117
60269
61161

[1,3,5,17,9,17,17,15,17,29,21,53,25,27,29,161,33,
 53,37,39,41,65,45,161,49,51,53,125,57,89,161,63,
 65,101,69,161,73,75,77,269,81,125,85,87,89,137,
 161,485,97,99,101,233,105,161,125,111,113,173,117,
 269,161]