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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 8 |
| 2 | 76 |
| 3 | 776 |
| 4 | 8236 |
| 5 | 89528 |
| 6 | 989080 |
| 7 | 11055248 |
| 8 | 124659148 |
| 9 | 1415338328 |
| 10 | 16157960776 |
| 11 | 185298481904 |
| 12 | 2133004809976 |
| 13 | 24631812347696 |
| 14 | 285225658980016 |
| 15 | 3310631101181216 |
| 16 | 38506555289077516 |
| 17 | 448698354100917656 |
| 18 | 5236993294930652776 |
| 19 | 61212903131657378096 |
| 20 | 716430640316516361256 |
[1,8,76,776,8236,89528,989080,11055248,124659148, 1415338328,16157960776,185298481904,2133004809976, 24631812347696,285225658980016,3310631101181216, 38506555289077516,448698354100917656, 5236993294930652776,61212903131657378096, 716430640316516361256] |