The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 9 |
| 3 | 13 |
| 4 | 21 |
| 5 | 37 |
| 6 | 101 |
| 7 | 325 |
| 8 | 1701 |
| 9 | 15553 |
| 10 | 265521 |
| 11 | 15145741 |
| 12 | 4407319297 |
| 13 | 8476862457125 |
| 14 | 317357347477745133 |
| 15 | 729744078980232421278033 |
| 16 | 312985160558462528575346809331697 |
| 17 | 165846387971749525630798815099063350900119181 |
[5,9,13,21,37,101,325,1701,15553,265521,15145741, 4407319297,8476862457125,317357347477745133, 729744078980232421278033, 312985160558462528575346809331697, 165846387971749525630798815099063350900119181] |