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| n | a(n) |
|---|---|
| -1 | 1 |
| 0 | 8 |
| 1 | 4372 |
| 2 | 96256 |
| 3 | 1240002 |
| 4 | 10698752 |
| 5 | 74428120 |
| 6 | 431529984 |
| 7 | 2206741887 |
| 8 | 10117578752 |
| 9 | 42616961892 |
| 10 | 166564106240 |
| 11 | 611800208702 |
| 12 | 2125795885056 |
| 13 | 7040425608760 |
| 14 | 22327393665024 |
| 15 | 68134255043715 |
| 16 | 200740384538624 |
[1,8,4372,96256,1240002,10698752,74428120, 431529984,2206741887,10117578752,42616961892, 166564106240,611800208702,2125795885056, 7040425608760,22327393665024,68134255043715, 200740384538624] |