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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 8 |
| 2 | 144 |
| 3 | 2584 |
| 4 | 46368 |
| 5 | 832040 |
| 6 | 14930352 |
| 7 | 267914296 |
| 8 | 4807526976 |
| 9 | 86267571272 |
| 10 | 1548008755920 |
| 11 | 27777890035288 |
| 12 | 498454011879264 |
| 13 | 8944394323791464 |
| 14 | 160500643816367088 |
| 15 | 2880067194370816120 |
| 16 | 51680708854858323072 |
| 17 | 927372692193078999176 |
| 18 | 16641027750620563662096 |
[0,8,144,2584,46368,832040,14930352,267914296, 4807526976,86267571272,1548008755920, 27777890035288,498454011879264,8944394323791464, 160500643816367088,2880067194370816120, 51680708854858323072,927372692193078999176, 16641027750620563662096] |