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| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 19 |
| 3 | 47 |
| 4 | 181 |
| 5 | 317 |
| 6 | 367 |
| 7 | 677 |
| 8 | 743 |
| 9 | 811 |
| 10 | 1031 |
| 11 | 1489 |
| 12 | 2347 |
| 13 | 2381 |
| 14 | 2477 |
| 15 | 2749 |
| 16 | 2777 |
| 17 | 4729 |
| 18 | 4951 |
| 19 | 5189 |
| 20 | 5657 |
| 21 | 5851 |
| 22 | 6287 |
| 23 | 7297 |
| 24 | 7583 |
| 25 | 8287 |
| 26 | 8867 |
| 27 | 8969 |
| 28 | 9001 |
| 29 | 9049 |
| 30 | 9463 |
| 31 | 10103 |
| 32 | 10733 |
| 33 | 11261 |
| 34 | 12713 |
| 35 | 13109 |
| 36 | 14009 |
| 37 | 14747 |
| 38 | 17393 |
| 39 | 17749 |
| 40 | 18679 |
| 41 | 19081 |
| 42 | 20399 |
| 43 | 21157 |
| 44 | 22541 |
[13,19,47,181,317,367,677,743,811,1031,1489,2347, 2381,2477,2749,2777,4729,4951,5189,5657,5851,6287, 7297,7583,8287,8867,8969,9001,9049,9463,10103, 10733,11261,12713,13109,14009,14747,17393,17749, 18679,19081,20399,21157,22541] |