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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 6 |
| 6 | 10 |
| 7 | 13 |
| 8 | 23 |
| 9 | 29 |
| 10 | 42 |
| 11 | 65 |
| 12 | 107 |
| 13 | 136 |
| 14 | 243 |
| 15 | 308 |
| 16 | 444 |
| 17 | 687 |
| 18 | 1131 |
| 19 | 1439 |
| 20 | 2570 |
| 21 | 3257 |
| 22 | 4696 |
| 23 | 7266 |
| 24 | 11962 |
| 25 | 15219 |
| 26 | 27181 |
| 27 | 34447 |
| 28 | 49666 |
| 29 | 76847 |
| 30 | 126513 |
| 31 | 160960 |
| 32 | 287473 |
| 33 | 364320 |
| 34 | 525280 |
| 35 | 812753 |
| 36 | 1338033 |
| 37 | 1702353 |
| 38 | 3040386 |
| 39 | 3853139 |
[1,1,2,3,4,6,10,13,23,29,42,65,107,136,243,308, 444,687,1131,1439,2570,3257,4696,7266,11962,15219, 27181,34447,49666,76847,126513,160960,287473, 364320,525280,812753,1338033,1702353,3040386, 3853139] |