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| n | a(n) |
|---|---|
| 1 | 512 |
| 2 | 2848 |
| 3 | 13504 |
| 4 | 62579 |
| 5 | 281213 |
| 6 | 1223367 |
| 7 | 5203324 |
| 8 | 21804750 |
| 9 | 90310600 |
| 10 | 370603448 |
| 11 | 1509199829 |
| 12 | 6107273564 |
| 13 | 24583109306 |
| 14 | 98509547315 |
| 15 | 393228178451 |
| 16 | 1564462436101 |
| 17 | 6206195362309 |
| 18 | 24557505623608 |
| 19 | 96955687292333 |
[512,2848,13504,62579,281213,1223367,5203324, 21804750,90310600,370603448,1509199829,6107273564, 24583109306,98509547315,393228178451, 1564462436101,6206195362309,24557505623608, 96955687292333] |