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| n | a(n) |
|---|---|
| 0 | 5 |
| 1 | 5 |
| 2 | 9 |
| 3 | 15 |
| 4 | 25 |
| 5 | 45 |
| 6 | 77 |
| 7 | 133 |
| 8 | 231 |
| 9 | 401 |
| 10 | 693 |
| 11 | 1201 |
| 12 | 2081 |
| 13 | 3603 |
| 14 | 6241 |
| 15 | 10809 |
| 16 | 18723 |
| 17 | 32429 |
| 18 | 56169 |
| 19 | 97287 |
| 20 | 168505 |
| 21 | 291861 |
| 22 | 505517 |
| 23 | 875581 |
| 24 | 1516551 |
| 25 | 2626743 |
| 26 | 4549653 |
| 27 | 7880231 |
| 28 | 13648959 |
| 29 | 23640691 |
| 30 | 40946879 |
| 31 | 70922073 |
| 32 | 122840635 |
| 33 | 212766221 |
| 34 | 368521905 |
| 35 | 638298663 |
[5,5,9,15,25,45,77,133,231,401,693,1201,2081,3603, 6241,10809,18723,32429,56169,97287,168505,291861, 505517,875581,1516551,2626743,4549653,7880231, 13648959,23640691,40946879,70922073,122840635, 212766221,368521905,638298663] |