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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. 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 ...

Sequences of numbers have long fascinated both amateur and professional mathematicians. Many people are familiar with the Fibonacci sequence, in which each new term is the sum of the previous two ...

Trying variants of a simple mathematical rule that yields interesting results can lead to additional discoveries and curiosities. The numbers 1, 1, 2, 3, 5, 8, 13, 21, 34, and 55 belong to a famous ...