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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 7 |
| 2 | 98 |
| 3 | 1694 |
| 4 | 32732 |
| 5 | 677082 |
| 6 | 14667072 |
| 7 | 328480502 |
| 8 | 7544198956 |
| 9 | 176717178176 |
| 10 | 4205620508824 |
| 11 | 101400381318782 |
| 12 | 2471618555755972 |
| 13 | 60805104853528336 |
| 14 | 1507824418684909472 |
| 15 | 37649597045144908852 |
| 16 | 945799864583981705872 |
| 17 | 23887043176751274744168 |
[1,7,98,1694,32732,677082,14667072,328480502, 7544198956,176717178176,4205620508824, 101400381318782,2471618555755972, 60805104853528336,1507824418684909472, 37649597045144908852,945799864583981705872, 23887043176751274744168] |