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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 5 |
| 4 | 9 |
| 5 | 16 |
| 6 | 29 |
| 7 | 52 |
| 8 | 92 |
| 9 | 163 |
| 10 | 287 |
| 11 | 507 |
| 12 | 893 |
| 13 | 1573 |
| 14 | 2772 |
| 15 | 4884 |
| 16 | 8605 |
| 17 | 15159 |
| 18 | 26705 |
| 19 | 47045 |
| 20 | 82878 |
| 21 | 146003 |
| 22 | 257207 |
| 23 | 453112 |
| 24 | 798230 |
| 25 | 1406210 |
| 26 | 2477265 |
| 27 | 4364097 |
| 28 | 7688055 |
| 29 | 13543737 |
| 30 | 23859456 |
| 31 | 42032242 |
| 32 | 74046506 |
| 33 | 130444746 |
| 34 | 229799252 |
| 35 | 404828081 |
| 36 | 713169314 |
| 37 | 1256361635 |
| 38 | 2213281654 |
[1,1,3,5,9,16,29,52,92,163,287,507,893,1573,2772, 4884,8605,15159,26705,47045,82878,146003,257207, 453112,798230,1406210,2477265,4364097,7688055, 13543737,23859456,42032242,74046506,130444746, 229799252,404828081,713169314,1256361635, 2213281654] |