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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 32 |
| 3 | 294 |
| 4 | 2089 |
| 5 | 11486 |
| 6 | 51562 |
| 7 | 197981 |
| 8 | 672365 |
| 9 | 2068221 |
| 10 | 5862308 |
| 11 | 15508725 |
| 12 | 38669253 |
| 13 | 91572377 |
| 14 | 207221995 |
| 15 | 450353206 |
| 16 | 943885459 |
| 17 | 1914477373 |
| 18 | 3769095759 |
| 19 | 7220896420 |
| 20 | 13492019950 |
| 21 | 24634260906 |
| 22 | 44027466111 |
| 23 | 77141909955 |
| 24 | 132687309790 |
[3,32,294,2089,11486,51562,197981,672365,2068221, 5862308,15508725,38669253,91572377,207221995, 450353206,943885459,1914477373,3769095759, 7220896420,13492019950,24634260906,44027466111, 77141909955,132687309790] |