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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 727 |
| 3 | 757 |
| 4 | 787 |
| 5 | 797 |
| 6 | 7027 |
| 7 | 7057 |
| 8 | 7127 |
| 9 | 7177 |
| 10 | 7187 |
| 11 | 7207 |
| 12 | 7237 |
| 13 | 7247 |
| 14 | 7297 |
| 15 | 7307 |
| 16 | 7417 |
| 17 | 7457 |
| 18 | 7477 |
| 19 | 7487 |
| 20 | 7507 |
| 21 | 7517 |
| 22 | 7537 |
| 23 | 7547 |
| 24 | 7577 |
| 25 | 7607 |
| 26 | 7687 |
| 27 | 7717 |
| 28 | 7727 |
| 29 | 7757 |
| 30 | 7817 |
| 31 | 7867 |
| 32 | 7877 |
| 33 | 7907 |
| 34 | 7927 |
| 35 | 7937 |
| 36 | 70067 |
| 37 | 70117 |
| 38 | 70157 |
| 39 | 70177 |
| 40 | 70207 |
| 41 | 70237 |
[7,727,757,787,797,7027,7057,7127,7177,7187,7207, 7237,7247,7297,7307,7417,7457,7477,7487,7507,7517, 7537,7547,7577,7607,7687,7717,7727,7757,7817,7867, 7877,7907,7927,7937,70067,70117,70157,70177,70207, 70237] |