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Similar Sequence Sum! (Posted on 2004-10-07) Difficulty: 3 of 5
The Fibonacci numbers are 0, 1, 1, 2, 3, 5, 8, 13...; starting with 0 and 1, each number is the sum of the two previous numbers.

The Lucas numbers follow the same rule, but start with 2 and 1: 2, 1, 3, 4, 7, 11, 18,...

What's the sum of the first k Lucas numbers?
What's the sum of the squares of the first k Lucas numbers?

See The Solution Submitted by Old Original Oskar!    
Rating: 2.0000 (5 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Solutionre: Generalized! - correctednikki2004-10-08 09:15:31
SolutionGeneralized!nikki2004-10-08 08:25:10
Solutionre: Like "Fibonacci sums"nikki2004-10-07 16:55:00
Like "Fibonacci sums"Richard2004-10-07 14:11:29
Some Thoughtssome numbersCharlie2004-10-07 13:11:42
SolutionSolutionDavid Shin2004-10-07 12:47:41
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