0006.Sum_square_difference.R

#The sum of the squares of the first ten natural numbers is,
# 1^2 + 2^2 + ... + 10^2 = 385

# The square of the sum of the first ten natural numbers is,
# (1 + 2 + ... + 10)^2 = 55^2 = 3025

# Hence the difference between the sum of the squares of the first ten natural numbers and the square of the sum is 3025 − 385 = 2640.

# Find the difference between the sum of the squares of the first one hundred natural numbers and the square of the sum.

sum(1:100)^2 - sum((1:100)^2)
# [1] 25164150