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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 4 |
| 3 | 8 |
| 4 | 16 |
| 5 | 23 |
| 6 | 37 |
| 7 | 56 |
| 8 | 94 |
| 9 | 152 |
| 10 | 250 |
| 11 | 401 |
| 12 | 649 |
| 13 | 1046 |
| 14 | 1696 |
| 15 | 2744 |
| 16 | 4444 |
| 17 | 7187 |
| 18 | 11629 |
| 19 | 18812 |
| 20 | 30442 |
| 21 | 49256 |
| 22 | 79702 |
| 23 | 128957 |
| 24 | 208657 |
| 25 | 337610 |
| 26 | 546268 |
| 27 | 883880 |
| 28 | 1430152 |
| 29 | 2314031 |
| 30 | 3744181 |
| 31 | 6058208 |
| 32 | 9802390 |
| 33 | 15860600 |
| 34 | 25662994 |
| 35 | 41523593 |
| 36 | 67186585 |
| 37 | 108710174 |
| 38 | 175896760 |
| 39 | 284606936 |
[1,2,4,8,16,23,37,56,94,152,250,401,649,1046,1696, 2744,4444,7187,11629,18812,30442,49256,79702, 128957,208657,337610,546268,883880,1430152, 2314031,3744181,6058208,9802390,15860600,25662994, 41523593,67186585,108710174,175896760,284606936] |