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| n | a(n) |
|---|---|
| 1 | 1225 |
| 2 | 5215 |
| 3 | 24745 |
| 4 | 126223 |
| 5 | 678265 |
| 6 | 3791935 |
| 7 | 21874825 |
| 8 | 129463663 |
| 9 | 782782105 |
| 10 | 4819857055 |
| 11 | 30146536105 |
| 12 | 191148081103 |
| 13 | 1226597365945 |
| 14 | 7954555064575 |
| 15 | 52068989200585 |
| 16 | 343658085034543 |
| 17 | 2284795961645785 |
| 18 | 15288911173702495 |
[1225,5215,24745,126223,678265,3791935,21874825, 129463663,782782105,4819857055,30146536105, 191148081103,1226597365945,7954555064575, 52068989200585,343658085034543,2284795961645785, 15288911173702495] |