Verified 53 til 57.

ipython/EulerProblem053.ipynb

@@ -51,7 +51,9 @@
   {
    "cell_type": "code",
    "execution_count": 7,
-   "metadata": {},
+   "metadata": {
+    "collapsed": true
+   },
    "outputs": [],
    "source": [
     "count = 0\n",
@@ -93,7 +95,7 @@
   }
  ],
  "metadata": {
-  "completion_date": "",
+  "completion_date": "Mon, 24 Dec 2018, 23:29",
   "kernelspec": {
    "display_name": "Python 3",
    "language": "python3.6",
@@ -111,7 +113,12 @@
    "pygments_lexer": "ipython3",
    "version": "3.6.5"
   },
-  "tags": []
+  "tags": [
+   "combinatoric",
+   "selection",
+   "factorial",
+   "airplane"
+  ]
  },
  "nbformat": 4,
  "nbformat_minor": 2