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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 5 |
| 3 | 46 |
| 4 | 19181 |
| 5 | 2010327182 |
| 6 | 9219217424630040409 |
| 7 | 170141181796805106025395618012972506978 |
| 8 | 57896044618658097536026644159052312978532934306727333157337631572314050272137 |
[1,2,5,46,19181,2010327182,9219217424630040409, 170141181796805106025395618012972506978, 57896044618658097536026644159052312978532934306727\ 333157337631572314050272137] |