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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 5 |
| 5 | 8 |
| 6 | 15 |
| 7 | 25 |
| 8 | 32 |
| 9 | 49 |
| 10 | 90 |
| 11 | 148 |
| 12 | 189 |
| 13 | 288 |
| 14 | 527 |
| 15 | 865 |
| 16 | 1104 |
| 17 | 1681 |
| 18 | 3074 |
| 19 | 5044 |
| 20 | 6437 |
| 21 | 9800 |
| 22 | 17919 |
| 23 | 29401 |
| 24 | 37520 |
| 25 | 57121 |
| 26 | 104442 |
| 27 | 171364 |
| 28 | 218685 |
| 29 | 332928 |
| 30 | 608735 |
| 31 | 998785 |
| 32 | 1274592 |
| 33 | 1940449 |
| 34 | 3547970 |
| 35 | 5821348 |
| 36 | 7428869 |
| 37 | 11309768 |
| 38 | 20679087 |
| 39 | 33929305 |
| 40 | 43298624 |
| 41 | 65918161 |
[1,2,4,5,8,15,25,32,49,90,148,189,288,527,865, 1104,1681,3074,5044,6437,9800,17919,29401,37520, 57121,104442,171364,218685,332928,608735,998785, 1274592,1940449,3547970,5821348,7428869,11309768, 20679087,33929305,43298624,65918161] |