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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 4 |
| 3 | 7 |
| 4 | 12 |
| 5 | 19 |
| 6 | 30 |
| 7 | 45 |
| 8 | 67 |
| 9 | 97 |
| 10 | 139 |
| 11 | 195 |
| 12 | 272 |
| 13 | 373 |
| 14 | 508 |
| 15 | 684 |
| 16 | 915 |
| 17 | 1212 |
| 18 | 1597 |
| 19 | 2087 |
| 20 | 2714 |
| 21 | 3506 |
| 22 | 4508 |
| 23 | 5763 |
| 24 | 7338 |
| 25 | 9296 |
| 26 | 11732 |
| 27 | 14742 |
| 28 | 18460 |
| 29 | 23025 |
| 30 | 28629 |
| 31 | 35471 |
| 32 | 43820 |
| 33 | 53963 |
| 34 | 66273 |
| 35 | 81156 |
| 36 | 99133 |
| 37 | 120770 |
| 38 | 146785 |
| 39 | 177970 |
| 40 | 215308 |
| 41 | 259891 |
| 42 | 313065 |
| 43 | 376326 |
| 44 | 451501 |
[1,2,4,7,12,19,30,45,67,97,139,195,272,373,508, 684,915,1212,1597,2087,2714,3506,4508,5763,7338, 9296,11732,14742,18460,23025,28629,35471,43820, 53963,66273,81156,99133,120770,146785,177970, 215308,259891,313065,376326,451501] |