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| n | a(n) |
|---|---|
| 2 | 3 |
| 3 | 4 |
| 4 | 15 |
| 5 | 25 |
| 6 | 61 |
| 7 | 98 |
| 8 | 203 |
| 9 | 329 |
| 10 | 622 |
| 11 | 1006 |
| 12 | 1802 |
| 13 | 2916 |
| 14 | 5047 |
| 15 | 8166 |
| 16 | 13821 |
| 17 | 22363 |
| 18 | 37291 |
| 19 | 60338 |
| 20 | 99619 |
| 21 | 161187 |
| 22 | 264348 |
| 23 | 427724 |
| 24 | 698324 |
| 25 | 1129912 |
| 26 | 1839195 |
| 27 | 2975880 |
| 28 | 4834171 |
| 29 | 7821853 |
[3,4,15,25,61,98,203,329,622,1006,1802,2916,5047, 8166,13821,22363,37291,60338,99619,161187,264348, 427724,698324,1129912,1839195,2975880,4834171, 7821853] |