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| n | a(n) |
|---|---|
| 1 | 23 |
| 2 | 31 |
| 3 | 47 |
| 4 | 53 |
| 5 | 61 |
| 6 | 73 |
| 7 | 83 |
| 8 | 131 |
| 9 | 151 |
| 10 | 157 |
| 11 | 167 |
| 12 | 173 |
| 13 | 199 |
| 14 | 211 |
| 15 | 233 |
| 16 | 251 |
| 17 | 257 |
| 18 | 263 |
| 19 | 271 |
| 20 | 331 |
| 21 | 353 |
| 22 | 367 |
| 23 | 373 |
| 24 | 383 |
| 25 | 433 |
| 26 | 443 |
| 27 | 467 |
| 28 | 503 |
| 29 | 509 |
| 30 | 523 |
| 31 | 541 |
| 32 | 557 |
| 33 | 563 |
| 34 | 571 |
| 35 | 587 |
| 36 | 593 |
| 37 | 601 |
| 38 | 607 |
| 39 | 619 |
| 40 | 647 |
| 41 | 653 |
| 42 | 661 |
| 43 | 677 |
| 44 | 727 |
| 45 | 733 |
| 46 | 751 |
| 47 | 797 |
| 48 | 941 |
| 49 | 947 |
| 50 | 971 |
| 51 | 977 |
| 52 | 991 |
| 53 | 997 |
[23,31,47,53,61,73,83,131,151,157,167,173,199,211, 233,251,257,263,271,331,353,367,373,383,433,443, 467,503,509,523,541,557,563,571,587,593,601,607, 619,647,653,661,677,727,733,751,797,941,947,971, 977,991,997] |