3 ms·

Amazing article! There's a bug in it though. The LHS of the sum of cubes formula ends in n^2 instead of n^3.

• lokedhs 8y ago
  There is an error in the squares formula as well. The correct formula is: (n*(n+1)*(2*n+1))/6.
  • weebst 8y ago
    Thanks a lot for pointing these out! I've corrected them.