1 files changed, 1 insertions, 0 deletions
diff --git a/3.3.py b/3.3.py
index 663d6f1..faa3474 100644
--- a/3.3.py
+++ b/3.3.py
@@ -73,6 +73,7 @@ def solution2(l):
 
 ## Way too much memory, it's not even funny
 ## python is supposed to do list comprehension in a good way, lol
+## adapted from https://oeis.org/A333885
 def solution3(l):
     return len([(i, j, k)
                 for id,i in enumerate(l)