#Perl 5 (-n), (削除) 41 (削除ここまで) 40 bytes

-1 byte thanls to Xcali

map{/01.*1/||say oct}glob"0b"."{0,1}"x$_

TIO

• "{0,1}"x$_ : the string "{0,1}" repeated n times
• "0b". : concatenate to "0b"
• glob : glob expansion (cartesian product)
• map{...} : for each element
• /01.*1/|| : to skip when 01 followed by something then 1
• say oct : to convert to decimal and say

Perl 5 (-n), (削除) 41 (削除ここまで) 40 bytes

-1 byte thanls to Xcali

map{/01.*1/||say oct}glob"0b"."{0,1}"x$_

TIO

• "{0,1}"x$_ : the string "{0,1}" repeated n times
• "0b". : concatenate to "0b"
• glob : glob expansion (cartesian product)
• map{...} : for each element
• /01.*1/|| : to skip when 01 followed by something then 1
• say oct : to convert to decimal and say

#Perl 5 (-n), 41 bytes

map{/01.*1/||say oct"0b$_"}glob"{0,1}"x$_

TIO

• "{0,1}"x$_ : the string "{0,1}" repeated n times
• glob : glob expansion (cartesian product)
• map{...} : for each element
• /01.*1/|| : to skip when 01 followed by something then 1
• say oct"0b$_" : to convert to decimal and say

#Perl 5 (-n), (削除) 41 (削除ここまで) 40 bytes

-1 byte thanls to Xcali

map{/01.*1/||say oct}glob"0b"."{0,1}"x$_

TIO

• "{0,1}"x$_ : the string "{0,1}" repeated n times
• "0b". : concatenate to "0b"
• glob : glob expansion (cartesian product)
• map{...} : for each element
• /01.*1/|| : to skip when 01 followed by something then 1
• say oct : to convert to decimal and say

#Perl 5 (-n), 41 bytes

map{/01.*1/||say oct"0b$_"}glob"{0,1}"x$_

TIO

• "{0,1}"x$_ : the string "{0,1}" repeated n times
• glob : glob expansion (cartesian product)
• map{...} : for each element
• /01.*1/|| : to skip when 01 followed by something then 1
• say oct"0b$_" : to convert to decimal and say

#Perl 5 (-n), 41 bytes

map{/01.*1/||say oct"0b$_"}glob"{0,1}"x$_

TIO

• "{0,1}"x$_ : the string "{0,1}" repeated n times
• glob : glob expansion (cartesian product)
• map{...} : for each element
• /01.*1/|| : to skip when 01 followed by something then 1
• say oct"0b$_" : to convert to decimal and say