Pyramid_4_OS_Script

echo "Pyramid 4"
echo -n "Enter Num Of Pyramid : "
read n
m=1
for (( i=1; i<=$n; i++ ))
do
	for (( k=n; k>$i; k-- ))
	do
		echo -n " "
	done

	for (( j=1; j<=$i; j++ ))
	do
		echo -n " $m"
		m=`expr $m + 1`
	done
	echo " "
done