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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 154 |
| 3 | 2344 |
| 4 | 34212 |
| 5 | 507655 |
| 6 | 7542829 |
| 7 | 111990804 |
| 8 | 1662706049 |
| 9 | 24686644236 |
| 10 | 366529445423 |
| 11 | 5441957364383 |
| 12 | 80798147898113 |
| 13 | 1199631049503365 |
| 14 | 17811233176117311 |
| 15 | 264447995737166473 |
| 16 | 3926327939543345163 |
[7,154,2344,34212,507655,7542829,111990804, 1662706049,24686644236,366529445423,5441957364383, 80798147898113,1199631049503365,17811233176117311, 264447995737166473,3926327939543345163] |