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| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 73 |
| 3 | 97 |
| 4 | 157 |
| 5 | 313 |
| 6 | 397 |
| 7 | 433 |
| 8 | 577 |
| 9 | 733 |
| 10 | 853 |
| 11 | 937 |
| 12 | 997 |
| 13 | 1153 |
| 14 | 1237 |
| 15 | 1657 |
| 16 | 1693 |
| 17 | 1753 |
| 18 | 1777 |
| 19 | 1993 |
| 20 | 2113 |
| 21 | 2593 |
| 22 | 2617 |
| 23 | 2677 |
| 24 | 2833 |
| 25 | 2917 |
| 26 | 2953 |
| 27 | 3037 |
| 28 | 3253 |
| 29 | 3373 |
| 30 | 3433 |
| 31 | 3457 |
| 32 | 3517 |
| 33 | 3673 |
| 34 | 3793 |
| 35 | 3853 |
| 36 | 3877 |
| 37 | 4093 |
| 38 | 4177 |
| 39 | 4273 |
| 40 | 4297 |
| 41 | 4357 |
| 42 | 4513 |
[13,73,97,157,313,397,433,577,733,853,937,997, 1153,1237,1657,1693,1753,1777,1993,2113,2593,2617, 2677,2833,2917,2953,3037,3253,3373,3433,3457,3517, 3673,3793,3853,3877,4093,4177,4273,4297,4357,4513] |