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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 2 |
| 5 | 3 |
| 6 | 4 |
| 7 | 6 |
| 8 | 10 |
| 9 | 19 |
| 10 | 35 |
| 11 | 68 |
| 12 | 133 |
| 13 | 259 |
| 14 | 500 |
| 15 | 976 |
| 16 | 1868 |
| 17 | 3609 |
| 18 | 6911 |
| 19 | 13296 |
| 20 | 25456 |
| 21 | 48925 |
| 22 | 93786 |
| 23 | 180326 |
| 24 | 346432 |
| 25 | 667009 |
| 26 | 1284331 |
| 27 | 2477342 |
| 28 | 4781021 |
| 29 | 9240027 |
| 30 | 17870724 |
| 31 | 34604082 |
| 32 | 67058896 |
| 33 | 130085007 |
| 34 | 252545177 |
| 35 | 490722360 |
[1,1,1,2,2,3,4,6,10,19,35,68,133,259,500,976,1868, 3609,6911,13296,25456,48925,93786,180326,346432, 667009,1284331,2477342,4781021,9240027,17870724, 34604082,67058896,130085007,252545177,490722360] |