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A043944 as a simple table

na(n)
115
257
379
4127
5143
6185
7207
8249
9271
10313
11335
12377
13399
14441
15463
16505
17527
18569
19591
20639
21655
22697
23719
24761
25783
26825
27847
28889
29911
30953
311023
321039
331081
341103
351151
361167
371209
381231
391273
401295
411337
421359
431401

[15,57,79,127,143,185,207,249,271,313,335,377,399,
 441,463,505,527,569,591,639,655,697,719,761,783,
 825,847,889,911,953,1023,1039,1081,1103,1151,1167,
 1209,1231,1273,1295,1337,1359,1401]