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A206074 as a simple table

na(n)
12
23
35
47
511
613
717
819
923
1025
1129
1231
1337
1441
1543
1647
1753
1855
1959
2061
2167
2269
2371
2473
2577
2679
2781
2883
2987
3089
3191
3297
33101
34103
35107
36109
37113
38115
39117
40121
41127
42131
43137
44139
45143
46145
47149
48151
49157
50163
51167
52169
53171
54173
55179
56181
57185
58191
59193
60197
61199
62203
63205
64209
65211
66213
67223
68227
69229

[2,3,5,7,11,13,17,19,23,25,29,31,37,41,43,47,53,
 55,59,61,67,69,71,73,77,79,81,83,87,89,91,97,101,
 103,107,109,113,115,117,121,127,131,137,139,143,
 145,149,151,157,163,167,169,171,173,179,181,185,
 191,193,197,199,203,205,209,211,213,223,227,229]