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A106571 as a simple table

na(n)
15
27
311
413
517
619
723
825
927
1029
1131
1235
1337
1441
1543
1647
1749
1851
1953
2055
2159
2261
2363
2465
2567
2669
2771
2873
2975
3077
3179
3283
3385
3487
3589
3691
3793
3895
3997
40101
41103
42107
43109
44113
45115
46119
47121
48125
49127
50129
51131
52133
53135
54137
55139
56141
57143
58145
59149
60151
61153
62155

[5,7,11,13,17,19,23,25,27,29,31,35,37,41,43,47,49,
 51,53,55,59,61,63,65,67,69,71,73,75,77,79,83,85,
 87,89,91,93,95,97,101,103,107,109,113,115,119,121,
 125,127,129,131,133,135,137,139,141,143,145,149,
 151,153,155]