title: Sum Series 12 32 52 2N 12 1
signature: function sum_series_12_32_52_2n_12_1(n)
test_code: using Printf
  
  # SOLUTION CODE
  # ============================================
  PLACEHOLDER_CODE_BODY
  
  # TESTING CODE 
  # ============================================
  function validate_solution(actual, expected)
      return actual == expected
  end
  
  function driver(n, expected)
      try
  
          if validate_solution(PLACEHOLDER_FN_NAME(n), expected)
              return "PASSED";
          end
          return "FAILED";
      catch exception_obj
          return string(Base.typename(typeof(exception_obj)).wrapper);
      end
  end
  
  function main()
      
      result = driver(84, 790244);
      @printf("TEST-0...%s\n",result);
      
      result = driver(74, 540274);
      @printf("TEST-1...%s\n",result);
      
      result = driver(91, 1004731);
      @printf("TEST-2...%s\n",result);
      
      result = driver(34, 52394);
      @printf("TEST-3...%s\n",result);
      
      result = driver(36, 62196);
      @printf("TEST-4...%s\n",result);
      
      result = driver(28, 29260);
      @printf("TEST-5...%s\n",result);
      
      result = driver(70, 457310);
      @printf("TEST-6...%s\n",result);
      
      result = driver(7, 455);
      @printf("TEST-7...%s\n",result);
      
      result = driver(24, 18424);
      @printf("TEST-8...%s\n",result);
      
      result = driver(47, 138415);
      @printf("TEST-9...%s\n",result);
      
  end
  
  main()
source_py: def sum_series_12_32_52_2n_12_1(n):
      return int((((n * ((2 * n) - 1)) * ((2 * n) + 1)) / 3))
source_cpp: int sum_series_12_32_52_2n_12_1(int n) {
    return ( n * ( 2 * n - 1 ) * ( 2 * n + 1 ) ) / 3;
  }