This is the nth term in the sequence of even numbers starting from 2j + 1. For example, if j = 2 and n = 3, then Zzen'(2j + 1) = 8, since the sequence of even numbers starting from 2j + 1 = 5 is 6, 8, 10, 12, 14, 16, ...
Now, let's try to find a formula for the
Show more…