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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 384 |
| 3 | 4995 |
| 4 | 51106 |
| 5 | 204805 |
| 6 | 483031 |
| 7 | 2443431 |
| 8 | 4674256 |
| 9 | 10476781 |
| 10 | 17272531 |
| 11 | 25600656 |
| 12 | 60765331 |
| 13 | 90406956 |
| 14 | 206602126 |
| 15 | 332808531 |
| 16 | 481676406 |
| 17 | 303826656 |
| 18 | 435211156 |
| 19 | 789949306 |
| 20 | 1406495106 |
| 21 | 2260173906 |
| 22 | 2704798281 |
| 23 | 3220562556 |
| 24 | 4435869181 |
| 25 | 5165053156 |
| 26 | 5309576106 |
| 27 | 9818788281 |
[7,384,4995,51106,204805,483031,2443431,4674256, 10476781,17272531,25600656,60765331,90406956, 206602126,332808531,481676406,303826656,435211156, 789949306,1406495106,2260173906,2704798281, 3220562556,4435869181,5165053156,5309576106, 9818788281] |