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<head>
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  <title>JS Number Pattern 24 - Try It</title>
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<body>
  <h1>Centered Incremental Number Pyramid</h1>
  <p>Edit the width and click Run.</p>
  <pre id=output></pre>
  <script>const width=5;let k=1,result="";for(let t=1;t<=5;t+=2){let e="";for(let l=5;l>=1;l--)l>t?e+="  ":(e+=k+" ",k++);result+=e.trimEnd()+"\n"}document.getElementById("output").textContent=result</script>
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JavaScript Number Pattern 24 (Try It)