A sequence is a set of terms, in a definite order, where the terms are obtained by some rule. A finite sequence ends after a certain number of terms. An infinite sequence is one that continues indefinitely. This article briefly focus on to find the formula for the terms of a Sequence. A recurrence relation defines the first term(s) in the sequence and the relation between successive terms. In a sentence; Sequence is a particular order in which related events, movements, or things follow each other.