BASH if/while/until loop

#1/bin/bash
if [ $# -eq 1 ]; then
     counter="1"
     counter1="1"
    echo "for loop:"
    for i in $(seq 1 $1); do
        echo $i
    done

    for i in $(seq 1 3 20); do
        echo "welcome $i times"
    done

    for((i=1;i<3;i++)); do
        echo $i
    done

    echo "while loop"
    while [ $counter -le $1 ]; do
         echo $counter
          counter=$((counter+1))
    done

    echo "until loop:"
    until [ $counter1 -gt $1 ]; do
        echo $counter1
        counter1=$((counter1+1))
    done
else
    echo "error"
fi