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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 7 |
| 3 | 112 |
| 4 | 32105 |
| 5 | 2147161102 |
| 6 | 9223372004645756887 |
| 7 | 170141183460469231537996491362807709908 |
| 8 | 57896044618658097711785492504343953921871039195927143534469727707459805807105 |
[1,2,7,112,32105,2147161102,9223372004645756887, 170141183460469231537996491362807709908, 57896044618658097711785492504343953921871039195927\ 143534469727707459805807105] |