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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 4 |
| 4 | 5 |
| 5 | 7 |
| 6 | 10 |
| 7 | 14 |
| 8 | 19 |
| 9 | 28 |
| 10 | 40 |
| 11 | 58 |
| 12 | 83 |
| 13 | 120 |
| 14 | 173 |
| 15 | 250 |
| 16 | 360 |
| 17 | 521 |
| 18 | 752 |
| 19 | 1086 |
| 20 | 1569 |
| 21 | 2266 |
| 22 | 3273 |
| 23 | 4728 |
| 24 | 6831 |
| 25 | 9868 |
| 26 | 14256 |
| 27 | 20594 |
| 28 | 29752 |
| 29 | 42981 |
| 30 | 62093 |
| 31 | 89704 |
| 32 | 129592 |
| 33 | 187217 |
| 34 | 270466 |
| 35 | 390734 |
| 36 | 564480 |
| 37 | 815486 |
| 38 | 1178107 |
| 39 | 1701973 |
| 40 | 2458785 |
| 41 | 3552127 |
| 42 | 5131644 |
| 43 | 7413521 |
[1,2,3,4,5,7,10,14,19,28,40,58,83,120,173,250,360, 521,752,1086,1569,2266,3273,4728,6831,9868,14256, 20594,29752,42981,62093,89704,129592,187217, 270466,390734,564480,815486,1178107,1701973, 2458785,3552127,5131644,7413521] |