Whenever you look at a clock, do you always see the same time? It might be 11:11 or 3:33. Maybe repeating numbers have made their way into other aspects of your life, such as a receipt that totaled ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." POV: You’re starting to feel just a little unhinged. On a Saturday (that is, the seventh day of the ...

These are questions that Neil Sloane, a mathematician of Highland Park, New Jersey, loves to ask. Sloane is the founder of the On-Line Encyclopedia of Integer Sequences, a database of 362,765 (and ...

Each term in this sequence is doubling (multiplying by 2) to create the next term. Number sequences are sets of numbers that follow a pattern or a rule. If the rule is to multiply or divide by a ...

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, ...