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| n | a(n) |
|---|---|
| 1 | 200 |
| 2 | 16932 |
| 3 | 459276 |
| 4 | 5171484 |
| 5 | 36721992 |
| 6 | 188800400 |
| 7 | 770455736 |
| 8 | 2638460040 |
| 9 | 7890776164 |
| 10 | 21155635320 |
| 11 | 51868563012 |
| 12 | 118031940824 |
| 13 | 252166290236 |
| 14 | 510352941020 |
| 15 | 985594723572 |
| 16 | 1826853703668 |
| 17 | 3265799868548 |
| 18 | 5653339610192 |
[200,16932,459276,5171484,36721992,188800400, 770455736,2638460040,7890776164,21155635320, 51868563012,118031940824,252166290236, 510352941020,985594723572,1826853703668, 3265799868548,5653339610192] |