Here's a deeply satisfying number pattern for your mathematical Monday. Here, Numberphile explains the Kolakoski sequence, which begins as follows: 1, 2, 2, 1, 1, 2 ...

1, 11, 21, 1211, 111221. These are the first five elements of a number sequence. Can you figure out what comes next? If you're trying a bunch of arithmetic operations to make the numbers work, you're ...

An example of a linear sequence. A list of numbers or diagrams that are in a particular order is called a sequence close sequenceA sequence is a set of numbers that follow a certain rule. For example, ...

Number sequences are sets of numbers that follow a pattern or a rule. Each number in a sequence is called a term. A sequence which increases or decreases by the same amount each time is called a ...

The On-Line Encyclopedia of Integer Sequences catalogues hundreds of thousands of integer sequences, and has been cited in thousands of research papers. The goal of this project is to discover new ...