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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 43 |
| 3 | 43 |
| 4 | 259 |
| 5 | 1213 |
| 6 | 259 |
| 7 | 1555 |
| 8 | 31111 |
| 9 | 31111 |
| 10 | 1555 |
| 11 | 9331 |
| 12 | 775213 |
| 13 | 2985887 |
| 14 | 775213 |
| 15 | 9331 |
| 16 | 55987 |
| 17 | 19122559 |
| 18 | 262875231 |
| 19 | 262875231 |
| 20 | 19122559 |
| 21 | 55987 |
| 22 | 335923 |
| 23 | 469959685 |
| 24 | 22257074415 |
| 25 | 74760946845 |
| 26 | 22257074415 |
| 27 | 469959685 |
| 28 | 335923 |
| 29 | 2015539 |
[7,43,43,259,1213,259,1555,31111,31111,1555,9331, 775213,2985887,775213,9331,55987,19122559, 262875231,262875231,19122559,55987,335923, 469959685,22257074415,74760946845,22257074415, 469959685,335923,2015539] |