Lucas sequences are sequences of numbers which are defined by two seeds: U(1) and U(2); and an iteration rule: U(n+2) = U(n) + U(n+1) for n = 1, 2, 3, ...
When the two seeds are both 1, the sequence is the well known Fibonacci sequence.
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The lucas numbers are a sequence of numbers. They go as 1, 3, 4, 7, 11, 18 etc the sequence is bery similar to the Fibonacci sequence (1, 1, 2, 3, 5, 8, 13)
A sequence.
They are a sequence of numbers and each sequence has a term number.
A numeric sequence is a list of numbers in a particular order. A non-numeric sequence is an ordered list of something other than numbers.
Goemetric sequence : A sequence is a goemetric sequence if an/an-1is the same non-zero number for all natural numbers greater than 1. Arithmetic sequence : A sequence {an} is an arithmetic sequence if an-an-1 is the same number for all natural numbers greater than 1.