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| n | a(n) |
|---|---|
| 1 | 42010273 |
| 2 | 144740268503 |
| 3 | 490318888438553 |
| 4 | 1661155660245079699 |
| 5 | 5630923998265406722615 |
| 6 | 19086544089749117279820644 |
| 7 | 64691402985380930946801585128 |
| 8 | 219262663801594343256152022742493 |
[42010273,144740268503,490318888438553, 1661155660245079699,5630923998265406722615, 19086544089749117279820644, 64691402985380930946801585128, 219262663801594343256152022742493] |