1 files changed, 3 insertions, 0 deletions
diff --git a/problem28.ijs b/problem28.ijs
new file mode 100644
index 0000000..03a692d
--- /dev/null
+++ b/problem28.ijs
@@ -0,0 +1,3 @@
+size =. 1001
+nums =. 4#2*1+i.<.size%2
+problem28 =: +/+/\1,nums