From 57c910bac5e365c9680f778617820a995d7de739 Mon Sep 17 00:00:00 2001
From: gnieark <gnieark@free.fr>
Date: Thu, 19 Nov 2015 23:46:19 +0100
Subject: [PATCH] 15

---
 euler15.php | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 euler15.php

diff --git a/euler15.php b/euler15.php
new file mode 100644
index 0000000..17b8cfc
--- /dev/null
+++ b/euler15.php
@@ -0,0 +1,7 @@
+<?php
+/*
+* Gnieark's anwser to euler problem 15
+* https://projecteuler.net/problem=15
+*/
+
+echo gmp_fact(2*20)/pow(gmp_fact(20),2);
\ No newline at end of file