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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 9 |
| 6 | 15 |
| 7 | 26 |
| 8 | 45 |
| 9 | 78 |
| 10 | 136 |
| 11 | 238 |
| 12 | 418 |
| 13 | 737 |
| 14 | 1304 |
| 15 | 2315 |
| 16 | 4123 |
| 17 | 7365 |
| 18 | 13193 |
| 19 | 23694 |
| 20 | 42655 |
| 21 | 76958 |
| 22 | 139126 |
| 23 | 251974 |
| 24 | 457112 |
| 25 | 830501 |
| 26 | 1510930 |
| 27 | 2752175 |
| 28 | 5018581 |
| 29 | 9160293 |
| 30 | 16734631 |
| 31 | 30595694 |
| 32 | 55976389 |
| 33 | 102474674 |
| 34 | 187700488 |
| 35 | 343973242 |
| 36 | 630623826 |
| 37 | 1156594669 |
[0,1,2,3,5,9,15,26,45,78,136,238,418,737,1304, 2315,4123,7365,13193,23694,42655,76958,139126, 251974,457112,830501,1510930,2752175,5018581, 9160293,16734631,30595694,55976389,102474674, 187700488,343973242,630623826,1156594669] |