itercheat: fixed interleave arguments.

Had an a_1 where I wanted b_1.

Fixes issue DanielKeep#4.

Author: DanielKeep

src/itercheat/itercheat.html

@@ -296,17 +296,17 @@ <h2>Sequences</h2>
             <td rowspan="3">IT</td>
             <td rowspan="3">interleave</td>
             <td>\(\{a_0, a_1, \ldots, a_{i-1}, a_i, \ldots\}\)</td>
-            <td>\(\{b_0, a_1, \ldots, b_{i-1}\}\)</td>
+            <td>\(\{b_0, b_1, \ldots, b_{i-1}\}\)</td>
             <td>\(\{a_0, b_0, a_1, b_1, \ldots, a_{i-1}, b_{i-1}, a_i, \ldots\}\)</td>
         </tr>
         <tr>
             <td>\(\{a_0, a_1, \ldots, a_{i-1}\}\)</td>
-            <td>\(\{b_0, a_1, \ldots, b_{i-1}\}\)</td>
+            <td>\(\{b_0, b_1, \ldots, b_{i-1}\}\)</td>
             <td>\(\{a_0, b_0, a_1, b_1, \ldots, a_{i-1}, b_{i-1}\}\)</td>
         </tr>
         <tr>
             <td>\(\{a_0, a_1, \ldots, a_{i-1}\}\)</td>
-            <td>\(\{b_0, a_1, \ldots, b_{i-1}, b_i, \ldots\}\)</td>
+            <td>\(\{b_0, b_1, \ldots, b_{i-1}, b_i, \ldots\}\)</td>
             <td>\(\{a_0, b_0, a_1, b_1, \ldots, a_{i-1}, b_{i-1}, b_i, \ldots\}\)</td>
         </tr>