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| n | a(n) |
|---|---|
| 1 | 19 |
| 2 | 29 |
| 3 | 269 |
| 4 | 1129 |
| 5 | 3779 |
| 6 | 13499 |
| 7 | 14969 |
| 8 | 24989 |
| 9 | 50599 |
| 10 | 90749 |
| 11 | 91639 |
| 12 | 167449 |
| 13 | 421739 |
| 14 | 435949 |
| 15 | 527929 |
| 16 | 623299 |
| 17 | 1676069 |
| 18 | 5733929 |
| 19 | 9690829 |
| 20 | 31067999 |
| 21 | 35901949 |
| 22 | 40295539 |
| 23 | 47435809 |
| 24 | 59135689 |
| 25 | 156735209 |
| 26 | 283374709 |
| 27 | 410704109 |
| 28 | 603775769 |
| 29 | 1008309229 |
| 30 | 1036100939 |
| 31 | 1639285799 |
[19,29,269,1129,3779,13499,14969,24989,50599, 90749,91639,167449,421739,435949,527929,623299, 1676069,5733929,9690829,31067999,35901949, 40295539,47435809,59135689,156735209,283374709, 410704109,603775769,1008309229,1036100939, 1639285799] |