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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 139 |
| 3 | 631 |
| 4 | 739 |
| 5 | 769 |
| 6 | 991 |
| 7 | 1201 |
| 8 | 1231 |
| 9 | 2677 |
| 10 | 3499 |
| 11 | 3931 |
| 12 | 4261 |
| 13 | 4441 |
| 14 | 4861 |
| 15 | 6247 |
| 16 | 7411 |
| 17 | 7699 |
| 18 | 8377 |
| 19 | 9391 |
| 20 | 10711 |
| 21 | 10837 |
| 22 | 14389 |
| 23 | 15139 |
| 24 | 15679 |
| 25 | 16057 |
| 26 | 16561 |
| 27 | 18541 |
| 28 | 20479 |
| 29 | 22861 |
| 30 | 28111 |
| 31 | 28837 |
| 32 | 29917 |
| 33 | 30169 |
| 34 | 30367 |
| 35 | 32089 |
| 36 | 33589 |
| 37 | 35311 |
| 38 | 35677 |
[7,139,631,739,769,991,1201,1231,2677,3499,3931, 4261,4441,4861,6247,7411,7699,8377,9391,10711, 10837,14389,15139,15679,16057,16561,18541,20479, 22861,28111,28837,29917,30169,30367,32089,33589, 35311,35677] |