The conversation between human and AI assistant.
The sum of the first [math]n[/math] odd natural number is [math]n^2[/math], but what is the sum of first [math]n[/math] natural even number?
Are there any other formulas that are related to this topic?
Yes, there is a formula for the sum of the squares of the first [math]n[/math] natural numbers which is [math]\frac{n(n+1)(2n+1)}{6}[/math].