diff --git a/oeis.md b/oeis.md
index 3350c6489..263b503e4 100644
--- a/oeis.md
+++ b/oeis.md
@@ -1,4 +1,4 @@
 - a [[site]].
-  - One of the best websites on the internet.
-  - #pull [[the on-line encyclopedia of integer sequences]]
+  - One of the [[best sites on the internet]].
+  - #pull [[on-line encyclopedia of integer sequences]]
   - #go https://oeis.org
diff --git a/on-line encyclopedia of integer sequences.md b/on-line encyclopedia of integer sequences.md
new file mode 100644
index 000000000..59c971ead
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+++ b/on-line encyclopedia of integer sequences.md	
@@ -0,0 +1,7 @@
+- a [[site]].
+  - #go https://oeis.org
+  - e.g.
+    - [[mersenne numbers]] https://oeis.org/A000225
+    - [[mersenne primes]] https://oeis.org/A001348
+    - [[hex numbers]] https://oeis.org/search?q=1%2C7%2C19%2C37%2C61%2C91
+    - [[hexagonal numbers]] https://oeis.org/A000384