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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 31 |
| 3 | 43 |
| 4 | 61 |
| 5 | 139 |
| 6 | 181 |
| 7 | 199 |
| 8 | 223 |
| 9 | 241 |
| 10 | 331 |
| 11 | 373 |
| 12 | 421 |
| 13 | 523 |
| 14 | 631 |
| 15 | 733 |
| 16 | 859 |
| 17 | 991 |
| 18 | 1033 |
| 19 | 1153 |
| 20 | 1213 |
| 21 | 1423 |
| 22 | 1453 |
| 23 | 1549 |
| 24 | 1741 |
| 25 | 1873 |
| 26 | 1879 |
| 27 | 1951 |
| 28 | 2203 |
| 29 | 2239 |
| 30 | 2269 |
| 31 | 2311 |
| 32 | 2371 |
| 33 | 2539 |
| 34 | 2689 |
| 35 | 2713 |
| 36 | 2719 |
| 37 | 2851 |
| 38 | 3001 |
| 39 | 3019 |
| 40 | 3163 |
| 41 | 3229 |
| 42 | 3271 |
| 43 | 3343 |
| 44 | 3361 |
| 45 | 3391 |
| 46 | 3541 |
[3,31,43,61,139,181,199,223,241,331,373,421,523, 631,733,859,991,1033,1153,1213,1423,1453,1549, 1741,1873,1879,1951,2203,2239,2269,2311,2371,2539, 2689,2713,2719,2851,3001,3019,3163,3229,3271,3343, 3361,3391,3541] |