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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 7 |
| 5 | 13 |
| 6 | 21 |
| 7 | 36 |
| 8 | 57 |
| 9 | 91 |
| 10 | 140 |
| 11 | 217 |
| 12 | 323 |
| 13 | 485 |
| 14 | 711 |
| 15 | 1039 |
| 16 | 1494 |
| 17 | 2144 |
| 18 | 3032 |
| 19 | 4279 |
| 20 | 5970 |
| 21 | 8299 |
| 22 | 11438 |
| 23 | 15708 |
| 24 | 21403 |
| 25 | 29065 |
| 26 | 39218 |
| 27 | 52725 |
| 28 | 70497 |
| 29 | 93941 |
| 30 | 124562 |
| 31 | 164639 |
| 32 | 216664 |
| 33 | 284240 |
| 34 | 371456 |
| 35 | 484004 |
| 36 | 628419 |
| 37 | 813669 |
| 38 | 1050144 |
| 39 | 1351757 |
| 40 | 1734873 |
| 41 | 2221018 |
| 42 | 2835613 |
[1,1,2,4,7,13,21,36,57,91,140,217,323,485,711, 1039,1494,2144,3032,4279,5970,8299,11438,15708, 21403,29065,39218,52725,70497,93941,124562,164639, 216664,284240,371456,484004,628419,813669,1050144, 1351757,1734873,2221018,2835613] |