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| n | a(n) |
|---|---|
| 1 | 80 |
| 2 | 1184 |
| 3 | 6464 |
| 4 | 29312 |
| 5 | 78975 |
| 6 | 510464 |
| 7 | 557192 |
| 8 | 137431875584 |
| 9 | 549741658112 |
| 10 | 8796036399104 |
| 11 | 35184258842624 |
| 12 | 2251798907715584 |
[80,1184,6464,29312,78975,510464,557192, 137431875584,549741658112,8796036399104, 35184258842624,2251798907715584] |