1 files changed, 27 insertions, 0 deletions
diff --git a/challenge-173/roger-bell-west/python/ch-2.py b/challenge-173/roger-bell-west/python/ch-2.py
new file mode 100755
index 0000000000..08e12ca80e
--- /dev/null
+++ b/challenge-173/roger-bell-west/python/ch-2.py
@@ -0,0 +1,27 @@
+#! /usr/bin/python3
+
+import unittest
+
+def sylvester(ct):
+  o = [ 2 ]
+  for i in range(2,ct+1):
+    o.append(1 + (o[-1] * (o[-1] - 1)))
+  return o
+
+class TestSylvester(unittest.TestCase):
+
+        def test_ex1(self):
+          self.assertEqual(sylvester(10),[
+            2,
+            3,
+            7,
+            43,
+            1807,
+            3263443,
+            10650056950807,
+            113423713055421844361000443,
+            12864938683278671740537145998360961546653259485195807,
+            165506647324519964198468195444439180017513152706377497841851388766535868639572406808911988131737645185443
+          ],'example 1')
+
+unittest.main()