SOLUTION: Hi, I cannot figure out the final number in the below sequence, and the associated rule. 546,548,563,556,580,564,? Thanks! Fay

Algebra ->  Finite-and-infinite-sets -> SOLUTION: Hi, I cannot figure out the final number in the below sequence, and the associated rule. 546,548,563,556,580,564,? Thanks! Fay      Log On


   

Question 1132653: Hi,
I cannot figure out the final number in the below sequence, and the associated rule.
546,548,563,556,580,564,?
Thanks!
Fay
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.

Consider the differences  


    a%5B3%5D-a%5B1%5D,  a%5B5%5D-a%5B3%5D, . . . 


    a%5B4%5D-a%5B2%5D,  a%5B6%5D-a%5B4%5D, . . . 


Does it tell you something ?