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A296243 as a simple table

na(n)
13
25
39
411
513
615
717
819
921
1025
1127
1229
1333
1435
1537
1639
1741
1843
1945
2051
2153
2255
2357
2459
2561
2663
2765
2867
2969
3075
3177
3281
3383
3485
3587
3691
3793
3895
3997
4099
41101
42105
43107
44109
45111
46113
47115
48117
49119
50121
51123
52125
53129
54131
55133
56135
57137
58139
59141
60143
61145
62147
63149
64153

[3,5,9,11,13,15,17,19,21,25,27,29,33,35,37,39,41,
 43,45,51,53,55,57,59,61,63,65,67,69,75,77,81,83,
 85,87,91,93,95,97,99,101,105,107,109,111,113,115,
 117,119,121,123,125,129,131,133,135,137,139,141,
 143,145,147,149,153]