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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 3 |
| 4 | 5 |
| 5 | 8 |
| 6 | 12 |
| 7 | 20 |
| 8 | 33 |
| 9 | 50 |
| 10 | 74 |
| 11 | 114 |
| 12 | 175 |
| 13 | 257 |
| 14 | 375 |
| 15 | 555 |
| 16 | 814 |
| 17 | 1171 |
| 18 | 1677 |
| 19 | 2406 |
| 20 | 3435 |
| 21 | 4855 |
| 22 | 6825 |
| 23 | 9591 |
| 24 | 13428 |
| 25 | 18667 |
| 26 | 25851 |
| 27 | 35745 |
| 28 | 49250 |
| 29 | 67544 |
| 30 | 92340 |
| 31 | 125966 |
| 32 | 171345 |
| 33 | 232257 |
| 34 | 313945 |
| 35 | 423470 |
| 36 | 569778 |
| 37 | 764465 |
| 38 | 1023231 |
| 39 | 1366827 |
| 40 | 1821756 |
| 41 | 2422394 |
| 42 | 3214318 |
| 43 | 4257088 |
| 44 | 5627086 |
| 45 | 7422941 |
[1,1,1,3,5,8,12,20,33,50,74,114,175,257,375,555, 814,1171,1677,2406,3435,4855,6825,9591,13428, 18667,25851,35745,49250,67544,92340,125966,171345, 232257,313945,423470,569778,764465,1023231, 1366827,1821756,2422394,3214318,4257088,5627086, 7422941] |