Catalan numbers/Pascal's triangle: Difference between revisions

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 =={{header|Lua}}==
-For each line of odd-numbered length from Pascal's triangle, subtract the middle number from the one immediately to its right.  This solution is heavily based on the Lua code to generate Pascal's triangle on the page for that task.
+For each line of odd-numbered length from Pascal's triangle, print the middle number minus the one immediately to its right.
+This solution is heavily based on the Lua code to generate Pascal's triangle from the page for that task.
 <lang Lua>function nextrow (t)
     local ret = {}