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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 7 |
| 7 | 10 |
| 8 | 16 |
| 9 | 23 |
| 10 | 37 |
| 11 | 53 |
| 12 | 86 |
| 13 | 123 |
| 14 | 199 |
| 15 | 285 |
| 16 | 461 |
| 17 | 660 |
| 18 | 1068 |
| 19 | 1529 |
| 20 | 2474 |
| 21 | 3542 |
| 22 | 5731 |
| 23 | 8205 |
| 24 | 13276 |
| 25 | 19007 |
| 26 | 30754 |
| 27 | 44030 |
| 28 | 71242 |
| 29 | 101996 |
| 30 | 165033 |
| 31 | 236275 |
| 32 | 382301 |
| 33 | 547334 |
| 34 | 885605 |
| 35 | 1267906 |
| 36 | 2051515 |
| 37 | 2937120 |
[1,1,1,2,3,4,7,10,16,23,37,53,86,123,199,285,461, 660,1068,1529,2474,3542,5731,8205,13276,19007, 30754,44030,71242,101996,165033,236275,382301, 547334,885605,1267906,2051515,2937120] |