Update README.md

README.md

@@ -20,4 +20,7 @@ size_categories:
 ---
 # Dataset Card for "oeis"
 
-[More Information needed](https://github.com/huggingface/datasets/blob/main/CONTRIBUTING.md#how-to-contribute-to-the-dataset-cards)
+Work in Progress.
+
+Data source: daily dump from March 28th, 2023.
+OEIS End-User License: http://oeis.org/LICENSE