The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 5 |
| 3 | 13 |
| 4 | 21 |
| 5 | 53 |
| 6 | 85 |
| 7 | 213 |
| 8 | 341 |
| 9 | 853 |
| 10 | 1365 |
| 11 | 3413 |
| 12 | 5461 |
| 13 | 13661 |
| 14 | 21833 |
| 15 | 54655 |
| 16 | 87359 |
| 17 | 218463 |
| 18 | 349679 |
| 19 | 876239 |
| 20 | 1396287 |
| 21 | 3505951 |
| 22 | 5586719 |
| 23 | 14024479 |
| 24 | 22413087 |
| 25 | 55901983 |
| 26 | 89653023 |
| 27 | 224132895 |
| 28 | 357433119 |
| 29 | 897449759 |
| 30 | 1430060831 |
| 31 | 3590094623 |
| 32 | 5737611039 |
| 33 | 14310735647 |
[1,3,5,13,21,53,85,213,341,853,1365,3413,5461, 13661,21833,54655,87359,218463,349679,876239, 1396287,3505951,5586719,14024479,22413087, 55901983,89653023,224132895,357433119,897449759, 1430060831,3590094623,5737611039,14310735647] |