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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 5 |
| 4 | 12 |
| 5 | 27 |
| 6 | 58 |
| 7 | 122 |
| 8 | 256 |
| 9 | 541 |
| 10 | 1154 |
| 11 | 2481 |
| 12 | 5364 |
| 13 | 11644 |
| 14 | 25360 |
| 15 | 55405 |
| 16 | 121424 |
| 17 | 266939 |
| 18 | 588614 |
| 19 | 1301630 |
| 20 | 2885984 |
| 21 | 6414417 |
| 22 | 14288550 |
| 23 | 31893569 |
| 24 | 71322056 |
| 25 | 159763320 |
| 26 | 358421536 |
| 27 | 805212921 |
| 28 | 1811204092 |
| 29 | 4078580939 |
| 30 | 9193596242 |
| 31 | 20741992514 |
| 32 | 46834137088 |
| 33 | 105823923749 |
| 34 | 239265719914 |
| 35 | 541279785777 |
[1,1,2,5,12,27,58,122,256,541,1154,2481,5364, 11644,25360,55405,121424,266939,588614,1301630, 2885984,6414417,14288550,31893569,71322056, 159763320,358421536,805212921,1811204092, 4078580939,9193596242,20741992514,46834137088, 105823923749,239265719914,541279785777] |