n | a(n) |
---|---|
1 | 31 |
2 | 53 |
3 | 97 |
4 | 2927 |
5 | 3331 |
6 | 3533 |
7 | 4139 |
8 | 5351 |
9 | 6361 |
10 | 6563 |
11 | 6967 |
12 | 7573 |
13 | 8179 |
14 | 9391 |
15 | 111109 |
16 | 113111 |
17 | 123121 |
18 | 129127 |
19 | 131129 |
20 | 143141 |
21 | 153151 |
22 | 155153 |
23 | 159157 |
24 | 161159 |
25 | 171169 |
26 | 185183 |
27 | 189187 |
28 | 191189 |
29 | 195193 |
30 | 219217 |
31 | 221219 |
32 | 225223 |
33 | 233231 |
34 | 239237 |
35 | 255253 |
[31,53,97,2927,3331,3533,4139,5351,6361,6563,6967, 7573,8179,9391,111109,113111,123121,129127,131129, 143141,153151,155153,159157,161159,171169,185183, 189187,191189,195193,219217,221219,225223,233231, 239237,255253] |