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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 24 |
| 2 | 383 |
| 3 | 5166 |
| 4 | 63993 |
| 5 | 756108 |
| 6 | 8690611 |
| 7 | 98243322 |
| 8 | 1099333565 |
| 9 | 12223792152 |
| 10 | 135381670359 |
| 11 | 1495646457318 |
| 12 | 16497281164417 |
| 13 | 181786417955556 |
| 14 | 2001865410394427 |
| 15 | 22036025351972754 |
| 16 | 242504828325007749 |
[1,24,383,5166,63993,756108,8690611,98243322, 1099333565,12223792152,135381670359,1495646457318, 16497281164417,181786417955556,2001865410394427, 22036025351972754,242504828325007749] |