# Difference between revisions of "Manuals/calci/LUCAS"

LUCAS (NumberUpto)

• is the number indicating the position.
• LUCAS(),returns the sum of its two immediate previous terms.

## Description

• This function gives the Lucas series of the numbers.
• Lucas numbers are similar to the Fibonacci numbers.
• It is generated by added the last two numbers in the series.
• In , is the numbers position, which is used to displaying the numbers in the given range.
• The difference between Lucas and Fibonacci numbers are with the first two terms and , but and .
• The Lucas numbers are defined by:

• The sequence of Lucas numbers is 2,1,3,4,7,11,18,29....
• The relation between Lucas and Fibonacci numbers are:

and : where is the Lucas series with is the Lucas number and is the Fibonacci number.

   This function will, give the result as error when   is non-numeric or NumberUpto < 0


## Examples

1. =LUCAS(5) = 2 1 3 4 7 11
2. =LUCAS(0) = 2
3. =LUCAS(1) = 2 1
4. =LUCAS(3) = 2 1 3 4
5. =LUCAS(-1) = Null

LUCAS