Look-and-say sequence - Rosetta Code


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.

Look-and-say sequence - Wikipedia, the free encyclopedia


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 Sequence - GeeksforGeeks


Find the n’th term in Look-and-say (Or Count and Say) Sequence. The look-and-say sequence is the sequence of below integers: 1, 11, 21, 1211, 111221, 312211, 13112221, 1113213211

Look and say sequence - Programming Puzzles & Code Golf Stack...


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.

Look-and-say sequence · GitHub


qiwihui/look-and-say_sequence.c. Created Sep 10, 2014. Embed.

printing - c program to print look and say sequence - Stack Overflow


Puts automatically appends a newline. If that's not what you want, you can fputs your string to stdout or use printf. Fputs(x=a,stdout); Or. Printf("%s ",a)...

look and say sequence | C++ для приматов


Перед нами так называемая Look-and-Say sequence, начинающаяся с 0. Чтобы получить последующий член последовательности, нам потребуется обратиться к предыдущему и выполнить следующее

Problem 419 - Project Euler | Look and say sequence


Look and say sequence. Problem 419. Published on Saturday, 16th March 2013, 10:00 pm; Solved by 322; Difficulty rating: 50%.

A005150 - OEIS


A005150. Look and Say sequence: describe the previous term! (method A - initial term is 1). (Formerly M4780).

Look-and-say sequence


The lines show the growth of the numbers of digits in the look-and-say sequences with starting points 23 (red), 1 (blue), 13 (violet), 312 (green). These lines (when represented in a logarithmic scale) tend to straight lines whose slopes coincide with Conway's constant.

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