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| n | a(n) |
|---|---|
| 1 | 1008 |
| 2 | 6915 |
| 3 | 49040 |
| 4 | 260705 |
| 5 | 1592767 |
| 6 | 9673960 |
| 7 | 57587977 |
| 8 | 343845199 |
| 9 | 2068795871 |
| 10 | 12385458149 |
| 11 | 74216785472 |
| 12 | 444890709067 |
| 13 | 2666394867176 |
| 14 | 15978893688072 |
| 15 | 95772547190118 |
| 16 | 573990940015533 |
| 17 | 3440077118464417 |
| 18 | 20617472050845004 |
[1008,6915,49040,260705,1592767,9673960,57587977, 343845199,2068795871,12385458149,74216785472, 444890709067,2666394867176,15978893688072, 95772547190118,573990940015533,3440077118464417, 20617472050845004] |