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A072939 as a simple table

na(n)
13
27
39
411
515
619
723
825
927
1031
1133
1235
1339
1441
1543
1647
1751
1855
1957
2059
2163
2267
2371
2473
2575
2679
2783
2887
2989
3091
3195
3297
3399
34103
35105
36107
37111
38115
39119
40121
41123
42127
43129
44131
45135
46137
47139
48143
49147
50151
51153
52155
53159
54161
55163
56167
57169
58171
59175
60179

[3,7,9,11,15,19,23,25,27,31,33,35,39,41,43,47,51,
 55,57,59,63,67,71,73,75,79,83,87,89,91,95,97,99,
 103,105,107,111,115,119,121,123,127,129,131,135,
 137,139,143,147,151,153,155,159,161,163,167,169,
 171,175,179]