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A216848 as a simple table

na(n)
17
215
317
421
523
631
733
835
939
1041
1143
1245
1347
1449
1551
1655
1757
1863
1965
2069
2171
2273
2375
2477
2579
2685
2787
2889
2991
3093
3195
3297
3399
34103
35105
36109
37111
38113
39115
40117
41119
42123
43127
44129
45133
46135
47137
48141
49143
50145
51147
52151
53153
54155
55157
56159
57161
58165
59167

[7,15,17,21,23,31,33,35,39,41,43,45,47,49,51,55,
 57,63,65,69,71,73,75,77,79,85,87,89,91,93,95,97,
 99,103,105,109,111,113,115,117,119,123,127,129,
 133,135,137,141,143,145,147,151,153,155,157,159,
 161,165,167]