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| n | a(n) |
|---|---|
| 1 | 37 |
| 2 | 51 |
| 3 | 67 |
| 4 | 89 |
| 5 | 93 |
| 6 | 179 |
| 7 | 191 |
| 8 | 373 |
| 9 | 391 |
| 10 | 445 |
| 11 | 478 |
| 12 | 479 |
| 13 | 519 |
| 14 | 521 |
| 15 | 551 |
| 16 | 581 |
| 17 | 583 |
| 18 | 601 |
| 19 | 613 |
| 20 | 619 |
| 21 | 653 |
| 22 | 655 |
| 23 | 661 |
| 24 | 673 |
| 25 | 697 |
| 26 | 701 |
| 27 | 703 |
| 28 | 713 |
| 29 | 719 |
| 30 | 727 |
| 31 | 753 |
| 32 | 759 |
| 33 | 769 |
| 34 | 773 |
| 35 | 778 |
| 36 | 851 |
| 37 | 853 |
| 38 | 881 |
| 39 | 886 |
| 40 | 889 |
| 41 | 907 |
| 42 | 913 |
| 43 | 919 |
| 44 | 923 |
| 45 | 949 |
| 46 | 973 |
| 47 | 974 |
[37,51,67,89,93,179,191,373,391,445,478,479,519, 521,551,581,583,601,613,619,653,655,661,673,697, 701,703,713,719,727,753,759,769,773,778,851,853, 881,886,889,907,913,919,923,949,973,974] |