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| n | a(n) |
|---|---|
| 7 | 12012 |
| 8 | 649950 |
| 9 | 17970784 |
| 10 | 344468530 |
| 11 | 5188948072 |
| 12 | 65723863196 |
| 13 | 729734918432 |
| 14 | 7302676928666 |
| 15 | 67173739068760 |
| 16 | 576218752277476 |
| 17 | 4660202610532480 |
| 18 | 35839052357422132 |
| 19 | 263868150558327376 |
| 20 | 1870153808268516280 |
| 21 | 12816868756802256832 |
| 22 | 85256107136168684650 |
| 23 | 552171259884681058744 |
[12012,649950,17970784,344468530,5188948072, 65723863196,729734918432,7302676928666, 67173739068760,576218752277476,4660202610532480, 35839052357422132,263868150558327376, 1870153808268516280,12816868756802256832, 85256107136168684650,552171259884681058744] |