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A285141 as a simple table

na(n)
13
25
39
411
513
615
719
821
925
1027
1129
1231
1335
1437
1541
1643
1747
1849
1953
2055
2157
2259
2363
2465
2569
2671
2773
2875
2979
3081
3185
3287
3389
3491
3595
3697
37101
38103
39105
40107
41111
42113
43117
44119
45123
46125
47129
48131
49133
50135
51139
52141
53145
54147
55149
56151
57155
58157
59161

[3,5,9,11,13,15,19,21,25,27,29,31,35,37,41,43,47,
 49,53,55,57,59,63,65,69,71,73,75,79,81,85,87,89,
 91,95,97,101,103,105,107,111,113,117,119,123,125,
 129,131,133,135,139,141,145,147,149,151,155,157,
 161]