1 files changed, 2 insertions, 0 deletions
diff --git a/progs/a398.py b/progs/a398.py
new file mode 100644
index 0000000..7e9dd85
--- /dev/null
+++ b/progs/a398.py
@@ -0,0 +1,2 @@
+def find_rect_num(n):
+  return n*(n + 1) 
+\ No newline at end of file