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.
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 OEIS). To generate a member of the sequence from the previous member, read off the digits of the previous member...
Look-and-Say sequences. A look-and-say sequence is a sequence of integers, expressed in decimal notation, where each sucessive term is generated by describing the previous one.
The look-and-say sequence is the sequence of below integers: 1, 11, 21, 1211, 111221, 312211, 13112221, 1113213211
The look and say sequence is a basic form of run length encoding. The sequence starts with the number 1 and each additional number encodes the number of digits that are repeated before each digit sequence.
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Replace a[i] by last here (you may not want to add anything in the first round). After the loop you have to add the last value of the counter together with the last character again (this was not yet done), i.e. add another result = result+str(k)+last after the loop. In total it looks like.
Look-and-Say-Sequence - Functional programming for Conway's look-and-say sequence.
The Look-And-Say Sequence is an easy one to construct.
Look and say sequence. Problem 419. Published on Saturday, 16th March 2013, 10:00 pm; Solved by 322; Difficulty rating: 50%.