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| n | a(n) |
|---|---|
| 9 | 229384 |
| 10 | 895169 |
| 11 | 3445641 |
| 12 | 13129188 |
| 13 | 49665695 |
| 14 | 187013213 |
| 15 | 702648806 |
| 16 | 2639058561 |
| 17 | 9919457739 |
| 18 | 37296199680 |
| 19 | 140076298669 |
| 20 | 525764808529 |
| 21 | 1972796187786 |
| 22 | 7401508297709 |
| 23 | 27768357575249 |
| 24 | 104182164466820 |
| 25 | 390896374855551 |
| 26 | 1466791108807345 |
| 27 | 5504674415490388 |
[229384,895169,3445641,13129188,49665695, 187013213,702648806,2639058561,9919457739, 37296199680,140076298669,525764808529, 1972796187786,7401508297709,27768357575249, 104182164466820,390896374855551,1466791108807345, 5504674415490388] |