input: Write a python function to calculate the total sum of the fourth powers of the first n odd natural numbers.
  assert odd_power_sum(2) == 82
  assert odd_power_sum(3) == 707
  assert odd_power_sum(4) == 3108
output: def odd_power_sum(n):
      return sum((2*i + 1)**4 for i in range(n))