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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 7 |
| 5 | 10 |
| 6 | 23 |
| 7 | 34 |
| 8 | 76 |
| 9 | 115 |
| 10 | 253 |
| 11 | 389 |
| 12 | 845 |
| 13 | 1316 |
| 14 | 2829 |
| 15 | 4452 |
| 16 | 9488 |
| 17 | 15061 |
| 18 | 31863 |
| 19 | 50951 |
| 20 | 107112 |
| 21 | 172366 |
| 22 | 360360 |
| 23 | 583110 |
| 24 | 1213150 |
| 25 | 1972647 |
| 26 | 4086217 |
| 27 | 6673417 |
| 28 | 13769519 |
| 29 | 22576008 |
| 30 | 46416937 |
| 31 | 76374088 |
| 32 | 156520328 |
| 33 | 258371689 |
| 34 | 527937429 |
| 35 | 874065163 |
| 36 | 1781131638 |
[1,1,2,3,7,10,23,34,76,115,253,389,845,1316,2829, 4452,9488,15061,31863,50951,107112,172366,360360, 583110,1213150,1972647,4086217,6673417,13769519, 22576008,46416937,76374088,156520328,258371689, 527937429,874065163,1781131638] |