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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 8 |
| 5 | 16 |
| 6 | 28 |
| 7 | 52 |
| 8 | 91 |
| 9 | 161 |
| 10 | 280 |
| 11 | 491 |
| 12 | 850 |
| 13 | 1483 |
| 14 | 2573 |
| 15 | 4469 |
| 16 | 7757 |
| 17 | 13472 |
| 18 | 23378 |
| 19 | 40586 |
| 20 | 70438 |
| 21 | 122267 |
| 22 | 212210 |
| 23 | 368336 |
| 24 | 639296 |
| 25 | 1109620 |
| 26 | 1925916 |
| 27 | 3342755 |
| 28 | 5801880 |
| 29 | 10070133 |
| 30 | 17478330 |
| 31 | 30336518 |
| 32 | 52653939 |
| 33 | 91389518 |
| 34 | 158621355 |
| 35 | 275313226 |
| 36 | 477850887 |
| 37 | 829388075 |
[1,1,2,4,8,16,28,52,91,161,280,491,850,1483,2573, 4469,7757,13472,23378,40586,70438,122267,212210, 368336,639296,1109620,1925916,3342755,5801880, 10070133,17478330,30336518,52653939,91389518, 158621355,275313226,477850887,829388075] |