Infinite Sequences
A function whose domain is N
Alternating sequences
A sequence in which the sign alternates between + and -
Explicit formula
A formula for the bath term of the sequence an in terms of n
Recursive formula
A formula for the bath term of the sequence an in terms of previous terms
Fibonacci sequence
Starting with a1=1 and a2=2 and the rule that any other term is the sum of the two previous terms.
Arithmetic sequence
In which each term differs from the previous term by the same number
Geometric sequence
Which each term differs from the previous term by the same ratio.