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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 7 |
| 3 | 29 |
| 4 | 199 |
| 5 | 1799 |
| 6 | 17227 |
| 7 | 186329 |
| 8 | 2206267 |
| 9 | 28014806 |
| 10 | 379929320 |
| 11 | 5463954442 |
| 12 | 82846605311 |
| 13 | 1319217639773 |
| 14 | 21986394800481 |
| 15 | 382391651777315 |
| 16 | 6923247705041891 |
| 17 | 130203668578601251 |
| 18 | 2538723618787364104 |
| 19 | 51232176790185969490 |
| 20 | 1068400287907868926763 |
| 21 | 22992012848929364898826 |
| 22 | 509930616374506270683390 |
| 23 | 11641797557959754404475921 |
| 24 | 273291680187022711826902024 |
[1,7,29,199,1799,17227,186329,2206267,28014806, 379929320,5463954442,82846605311,1319217639773, 21986394800481,382391651777315,6923247705041891, 130203668578601251,2538723618787364104, 51232176790185969490,1068400287907868926763, 22992012848929364898826,509930616374506270683390, 11641797557959754404475921, 273291680187022711826902024] |