Sequence, a list of numbers arranged in a specific order, following a rule. Example: 3, 6, 12, 24,..., Term, each number in a sequence., Position (or index), the place of a term in the sequence, usually counted as 1st term, 2nd term, and so on, Notation, a1 is the first term, a2 is the second term, etc. In general, an denotes the nth term, Rule (or Pattern Rule), a description of how the terms is formed or how they change from one to the next. Example: "Add 2" in the sequence 2, 4, 6, 8, ..., Fibonacci Sequence, a sequence where each term after the first two is the sum of the two preceding terms. Example: 1, 1, 2, 3, 5, 8, 13, ..., Finite Sequence, a sequence that has a specific number of terms - it has a beginning and an end. You can count all the terms. It stops after a certain point., Infinite Sequence, a sequence that has no end - it goes forever. It keeps following the same rule endlessly. You can describe the rule, but you can't list all the terms.

SEQUENCE - TERMS AND DEFINITIONS

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