https://www.codewars.com/kata/55fd2d567d94ac3bc9000064
Given the triangle of consecutive odd numbers:
1
3 5
7 9 11
13 15 17 19
21 23 25 27 29
...
Calculate the sum of the numbers in the nth row of this triangle (starting at index 1) e.g.: (Input --> Output)
1 --> 1
2 --> 3 + 5 = 8