Maths Dictionary · SS 2

Sequence

Simple meaning

A list of numbers that follow a rule.

Example

1, 4, 9, 16, … are the square numbers.

See it

From the Arithmetic Progression lesson. Try moving things around.

3T17T2+411T3+415T4+419T5+423T6+427T7+431T8+4

Tₙ = 3 + (n − 1)×4 = 4n − 1

First term a3
Difference d4