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avatar of Pablo Francisco Pérez Hidalgo

Pablo Francisco Pérez Hidalgo

Pablo Francisco Pérez Hidalgo has asked 18 questions and find answers to 32 problems.

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18
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http://careers.stackoverflow.com/pablofph

from numpy import *
n = 20
a = transpose(tril(ones((n+1,n+1))))
b = copy(a)
for i in xrange(n):
    b = dot(b,a)
print(b[0,n])