diff --git a/lib/newman_conway.py b/lib/newman_conway.py
index 7f5341a..66f0379 100644
--- a/lib/newman_conway.py
+++ b/lib/newman_conway.py
@@ -1,6 +1,24 @@
 def newman_conway(num):
-    """ Returns a list of the Newman Conway numbers for the given value.
+    """ 
+    Returns a list of the Newman Conway numbers for the given value.
         Time Complexity: ?
         Space Complexity: ?
     """
-    pass
+    
+    if num <= 0:
+        raise ValueError
+
+    if num == 1:
+        return "1"
+
+    if num == 2:
+        return "1 1"
+
+    sequence = [0, 1, 1]
+
+    for i in range(3, num + 1):
+        calculate = sequence[sequence[i - 1]] + sequence[i - sequence[i - 1]]
+        sequence.append(calculate)
+
+    sequence_str = [str(i) for i in sequence[1: ]]
+    return " ".join(sequence_str)
\ No newline at end of file