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| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 181 |
| 3 | 349 |
| 4 | 853 |
| 5 | 2029 |
| 6 | 3709 |
| 7 | 6733 |
| 8 | 8581 |
| 9 | 24373 |
| 10 | 26053 |
| 11 | 29581 |
| 12 | 37309 |
| 13 | 50581 |
| 14 | 57973 |
| 15 | 71413 |
| 16 | 80149 |
| 17 | 92581 |
| 18 | 99133 |
| 19 | 112909 |
| 20 | 123829 |
| 21 | 155413 |
| 22 | 195229 |
| 23 | 199933 |
| 24 | 214381 |
| 25 | 277213 |
| 26 | 294181 |
| 27 | 311653 |
| 28 | 323581 |
| 29 | 329629 |
| 30 | 399853 |
| 31 | 406573 |
| 32 | 427069 |
| 33 | 491581 |
[13,181,349,853,2029,3709,6733,8581,24373,26053, 29581,37309,50581,57973,71413,80149,92581,99133, 112909,123829,155413,195229,199933,214381,277213, 294181,311653,323581,329629,399853,406573,427069, 491581] |