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<!DOCTYPE html> <html lang="en-US"> <body> <script> var i, j, k, res; for(i=1; i<=5; i++) { k = 4; res = i; for(j=i; j<i+i; j++) { if(i == j) document.write(j +" "); else { res = res + k; document.write(res +" "); k--; } } document.write("<br>"); } </script> </body> </html>
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