In mathematics, the look-and-say sequence is the sequence of integers beginning as follows: 1, 11, 21, 1211, 111221, 312211, 13112221, 1113213211, ... (sequence A005150 in the OEIS). To generate a member of the sequence from the previous member, read off the digits of the previous member...
The vast majority of books and magazines are typeset using hyphenation and justification (written as H&J from here on in). In print, it’s everywhere: All lines of text except the last lines of paragraphs are stretched out to the same length. Flush left and flush right.
The Look and say sequence is a recursively defined sequence of numbers studied most notably by John Conway. Sequence Definition. Take a decimal number. Look at the number, visually grouping consecutive runs of the same digit.