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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 7 |
| 3 | 23 |
| 4 | 727 |
| 5 | 2399 |
| 6 | 5039 |
| 7 | 7919 |
| 8 | 17159 |
| 9 | 28559 |
| 10 | 29927 |
| 11 | 85847 |
| 12 | 458327 |
| 13 | 552047 |
| 14 | 579119 |
| 15 | 707279 |
| 16 | 1190279 |
| 17 | 3418799 |
| 18 | 3728759 |
| 19 | 4532639 |
| 20 | 5166527 |
| 21 | 5331479 |
| 22 | 7447439 |
| 23 | 10374839 |
| 24 | 24137567 |
| 25 | 25877567 |
| 26 | 28398239 |
| 27 | 30260999 |
| 28 | 43546799 |
| 29 | 47458319 |
| 30 | 52258439 |
| 31 | 56957207 |
| 32 | 62425799 |
[2,7,23,727,2399,5039,7919,17159,28559,29927, 85847,458327,552047,579119,707279,1190279,3418799, 3728759,4532639,5166527,5331479,7447439,10374839, 24137567,25877567,28398239,30260999,43546799, 47458319,52258439,56957207,62425799] |