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A268513 as a simple table

na(n)
12
23
35
47
511
613
717
819
923
1029
1131
1237
1343
1447
1549
1653
1759
1861
1965
2067
2171
2273
2379
2482
2583
2687
2791
2897
29101
30103
31107
32113
33121
34122
35123
36131
37137
38139
39143
40149
41151
42155
43157
44159
45161
46167
47178
48179
49181
50185
51187
52191
53193
54197
55199

[2,3,5,7,11,13,17,19,23,29,31,37,43,47,49,53,59,
 61,65,67,71,73,79,82,83,87,91,97,101,103,107,113,
 121,122,123,131,137,139,143,149,151,155,157,159,
 161,167,178,179,181,185,187,191,193,197,199]