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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 8 |
| 6 | 12 |
| 7 | 19 |
| 8 | 28 |
| 9 | 43 |
| 10 | 64 |
| 11 | 95 |
| 12 | 141 |
| 13 | 208 |
| 14 | 306 |
| 15 | 448 |
| 16 | 655 |
| 17 | 956 |
| 18 | 1392 |
| 19 | 2024 |
| 20 | 2938 |
| 21 | 4259 |
| 22 | 6170 |
| 23 | 8928 |
| 24 | 12909 |
| 25 | 18651 |
| 26 | 26932 |
| 27 | 38868 |
| 28 | 56067 |
| 29 | 80845 |
| 30 | 116530 |
| 31 | 167916 |
| 32 | 241895 |
| 33 | 348385 |
| 34 | 501650 |
| 35 | 722214 |
| 36 | 1039590 |
| 37 | 1496230 |
| 38 | 2153193 |
| 39 | 3098292 |
| 40 | 4457818 |
| 41 | 6413392 |
| 42 | 9226210 |
[1,1,2,3,5,8,12,19,28,43,64,95,141,208,306,448, 655,956,1392,2024,2938,4259,6170,8928,12909,18651, 26932,38868,56067,80845,116530,167916,241895, 348385,501650,722214,1039590,1496230,2153193, 3098292,4457818,6413392,9226210] |