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A047529 as a simple table

na(n)
11
23
37
49
511
615
717
819
923
1025
1127
1231
1333
1435
1539
1641
1743
1847
1949
2051
2155
2257
2359
2463
2565
2667
2771
2873
2975
3079
3181
3283
3387
3489
3591
3695
3797
3899
39103
40105
41107
42111
43113
44115
45119
46121
47123
48127
49129
50131
51135
52137
53139
54143
55145
56147
57151
58153
59155
60159

[1,3,7,9,11,15,17,19,23,25,27,31,33,35,39,41,43,
 47,49,51,55,57,59,63,65,67,71,73,75,79,81,83,87,
 89,91,95,97,99,103,105,107,111,113,115,119,121,
 123,127,129,131,135,137,139,143,145,147,151,153,
 155,159]