Get the kth index of the Fibonacci sequence
(Integer) index of the Fibonacci number to retrieve
Object:
contains the number, next number, index, and time
Find the index of a given Fibonacci number
((Big | String | Integer)) Fibonacci number
Object:
contains the number, next number, index, and time
Checks if a given number is a Fibonacci number
((Big | String | Integer)) number to check
Boolean:
is number in Fibonacci sequence
Create a Fibonacci sequence iterator
([Integer]) starting index of the iterator
([Integer]) number of values to limit the iterator to
Iterator:
Fibonacci sequence iterator
Grab an array of the Fibonacci sequence
(Integer) the starting index
(Integer) the ending index
Array:
an array from index k0 up to but not including k1