Solution for Euler numbers

euler.sh

#!/bin/bash
################################################################################
#  Copyright (c) 2012, by Michael Neale. All rights reserved.
#
#  THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF MICHAEL NEALE
#
#  The copyright notice above does not evidence any
#  actual or intended publication of such source code.
################################################################################

if [ $1 -gt 2000 ]; then
  echo "For additional results you will need to hire me!"
  exit
fi
curl -s -X POST -d "number=$1&submit=Compute" http://www.numberempire.com/eulernumbers.php | sed -n -e "s:<br/>::g;s:<a href='.*'>::g;s:</a>::g;/Euler number/,/td/p" | grep -v "<"