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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 128 |
| 3 | 1010 |
| 4 | 8718 |
| 5 | 74072 |
| 6 | 632004 |
| 7 | 5396562 |
| 8 | 46048956 |
| 9 | 393010948 |
| 10 | 3354229130 |
| 11 | 28626729216 |
| 12 | 244317217799 |
| 13 | 2085144343545 |
| 14 | 17795817110568 |
| 15 | 151879748363323 |
| 16 | 1296229146049548 |
| 17 | 11062765094422311 |
| 18 | 94416001329770771 |
| 19 | 805800467376475810 |
[8,128,1010,8718,74072,632004,5396562,46048956, 393010948,3354229130,28626729216,244317217799, 2085144343545,17795817110568,151879748363323, 1296229146049548,11062765094422311, 94416001329770771,805800467376475810] |