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A166409 as a simple table

na(n)
15
213
317
421
529
633
737
841
945
1053
1157
1261
1365
1469
1573
1677
1785
1889
1993
2097
2199
22101
23105
24109
25113
26117
27125
28129
29133
30137
31141
32145
33147
34149
35153
36157
37161
38165
39173
40177
41181
42185
43189
44193
45197
46201
47205
48207
49209
50213
51217
52221
53229
54233
55237
56241

[5,13,17,21,29,33,37,41,45,53,57,61,65,69,73,77,
 85,89,93,97,99,101,105,109,113,117,125,129,133,
 137,141,145,147,149,153,157,161,165,173,177,181,
 185,189,193,197,201,205,207,209,213,217,221,229,
 233,237,241]