Central binomial coefficient 2 by Shreyans Doshi

import math\x0d
s,x=math.factorial,input\x0d
t=x()\x0d
while t:\x0d
    t,n=t-1,x()\x0d
    print s(2*n)/s(n)**2\x0d

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

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