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Stack Internal
Knowledge at work
Bring the best of human thought and AI automation together at your work.
n=input() x=[[0,]*n+[1]+n*[0,]] z=n%2 exec'x+=[[(i%2^z)*sum(x[-1][i-1:i+2])for i in range(2*n+1)]];z^=1;'*(n-1) print map(sum,zip(*x))[1:-1]
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