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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 9 |
| 3 | 29 |
| 4 | 38 |
| 5 | 105 |
| 6 | 1088 |
| 7 | 2281 |
| 8 | 3369 |
| 9 | 12388 |
| 10 | 52921 |
| 11 | 118230 |
| 12 | 5018581 |
| 13 | 10155392 |
| 14 | 45640149 |
| 15 | 147075839 |
| 16 | 192715988 |
| 17 | 532507815 |
| 18 | 5517794138 |
| 19 | 11568096091 |
| 20 | 17085890229 |
| 21 | 62825766778 |
| 22 | 268388957341 |
| 23 | 599603681460 |
| 24 | 25451743578661 |
| 25 | 51503090838782 |
| 26 | 231464106933789 |
[1,2,9,29,38,105,1088,2281,3369,12388,52921, 118230,5018581,10155392,45640149,147075839, 192715988,532507815,5517794138,11568096091, 17085890229,62825766778,268388957341,599603681460, 25451743578661,51503090838782,231464106933789] |