Sequence 6
Execution time limit is 1 second
Runtime memory usage limit is 64 megabytes
Display the first n numbers of the sequence 1 2 6 24 120 ...
Input
A natural number n, where 1 ≤ n ≤ 20.
Output
The sequence numbers, separated by spaces, in a single line.
Examples
Input #1
Answer #1
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