Update duckdb index files

keirp--tiny_math/train/index.duckdb

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:807c3db859118010747500cf6f099eb36fa63496013dbe11d3ba5097ee0eb5a7
-size 130822144
+oid sha256:d5c945664b71c524caa85efc4e86b5bbdfcf21e99b9f9d4b0ed25208d5a9d5f3
+size 131084288