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A175374 as a simple table

na(n)
01
15
29
39
413
521
625
725
825
929
1045
1145
1245
1349
1449
1549
1653
1769
1869
1977
2077
2177
2277
2381
2481
2585
26101
27109
28109
29109
30117
31117
32117
33117
34117
35117
36125
37141
38149
39149
40157
41157
42157
43157
44165
45165
46165
47165
48165
49169
50193
51197
52205
53205
54205
55205
56213
57213
58213
59213

[1,5,9,9,13,21,25,25,25,29,45,45,45,49,49,49,53,
 69,69,77,77,77,77,81,81,85,101,109,109,109,117,
 117,117,117,117,117,125,141,149,149,157,157,157,
 157,165,165,165,165,165,169,193,197,205,205,205,
 205,213,213,213,213]