What are Sequence and Series? A sequence is a structured arrangement of numbers, where each number is called a term. Typically, terms in a sequence are denoted as ai or an, with the index letter i or ...

You get the next term by adding three to the previous term. The rule is + 3. So you can find any term if you know the previous term. But how do you find the term for any position without working out ...

A pattern or a sequence is a set of numbers that are connected in some way. All sequences have a rule. For example, sometimes the numbers might count on by 5 each time, other times they might be ...

Some strange mathematical sequences are always whole numbers — until they’re not. The puzzling patterns have revealed ties to graph theory and prime numbers, awing mathematicians. Simple, yes, but ...