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| n | a(n) |
|---|---|
| 1 | 380 |
| 2 | 14832 |
| 3 | 203584 |
| 4 | 3415196 |
| 5 | 53468700 |
| 6 | 878907878 |
| 7 | 14070003616 |
| 8 | 228625683370 |
| 9 | 3680915898074 |
| 10 | 59626244517814 |
| 11 | 962293522215168 |
| 12 | 15566719628153548 |
| 13 | 251445428797343950 |
| 14 | 4065446796913711010 |
| 15 | 65691624104999816724 |
[380,14832,203584,3415196,53468700,878907878, 14070003616,228625683370,3680915898074, 59626244517814,962293522215168,15566719628153548, 251445428797343950,4065446796913711010, 65691624104999816724] |