diff --git a/p15.c b/p15.c
new file mode 100644
index 0000000..c16dbfe
--- /dev/null
+++ b/p15.c
@@ -0,0 +1,22 @@
+
+/*
+ * http://projecteuler.net
+ * 
+ * Projecteuler - Problem 15
+ * ------------------------
+ * 2010-06-12 Henrik Hautakoski
+ */
+
+#include <stdio.h>
+
+int main() {
+
+    int c;
+    double r = 20*2 + 1, v = 1;
+
+    for(c=1; c <= 20; c++)
+        v *= (r - c) / c;
+    printf("%.0f\n", v);
+
+    return 0;
+}