title: Sum Binomial Coefficients 1
signature: sumBinomialCoefficients1 :: Integer -> Integer
  sumBinomialCoefficients1 n = 
source_py: def sum_binomial_coefficients_1(n):
      return (1 << n)
source_cpp: int sum_binomial_coefficients_1(int n) {
    return ( 1 << n );
  }