Math

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Discus: SAT/ACT Tests and Test Preparation: June 2004 Archive: Math
 By Shizpit (Shizpit) on Monday, June 21, 2004 - 07:44 pm: Edit

didn't know where else to post this ok so i want to know the formula for the lucas #s series does anyone know it i know the series is {1,3,4,7,11,18,29...} i know it appears to be the addition of the first two numbers to = the third which is fibonacci except fibonacce starts 1,1,3,4,7... so if anyone knows the formula for the lucas #s series i would greatly appreciate if anyone could post it thanx...

 By Optimizerdad (Optimizerdad) on Monday, June 21, 2004 - 07:56 pm: Edit

Just google for 'Lucas series'. The very first website I found says
"A Lucas Series is a group of numbers that have the property that the next number in the series is always the sum of the previous two. The most famous Lucas Series is the Fibonacci Numbers where the two initial values are both one."

IMO, it seems that you can choose the first two terms in a Lucas series arbitrarily.

 By Shizpit (Shizpit) on Monday, June 21, 2004 - 08:05 pm: Edit

ok thanx

 By Drusba (Drusba) on Monday, June 21, 2004 - 08:13 pm: Edit

Go here to get all the answers you need:
http://www.mcs.surrey.ac.uk/Personal/R.Knott/Fibonacci/lucasNbs.html#Lucas