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| n | a(n) |
|---|---|
| 4 | 3112 |
| 5 | 58984 |
| 6 | 978064 |
| 7 | 15345952 |
| 8 | 234980152 |
| 9 | 3558436504 |
| 10 | 53613281824 |
| 11 | 805858151632 |
| 12 | 12099490097992 |
| 13 | 181573692295624 |
| 14 | 2724174818398384 |
| 15 | 40866608458275712 |
| 16 | 613027030583891032 |
| 17 | 9195600786027620344 |
[3112,58984,978064,15345952,234980152,3558436504, 53613281824,805858151632,12099490097992, 181573692295624,2724174818398384, 40866608458275712,613027030583891032, 9195600786027620344] |