Series question

Posted on 2006-07-22
Last Modified: 2008-03-04


Question by:sinha_anshul26
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
LVL 37

Assisted Solution

by:Harisha M G
Harisha M G earned 25 total points
ID: 17161286


5 = (3+2)*1
16 = (5+3)*2

Next number may be (16+5)*3 = 63

LVL 62

Accepted Solution

☠ MASQ ☠ earned 125 total points
ID: 17161291
A) 1, 1, 2, 3, 8, 27, 224, 6075, 1361024, 8268226875, 11253255215681024

B) 1, 2, 3, 5, 16, 231, 53105, 2820087664, 7952894429824835871

http:Q_21919311.html, http:Q_21919325.html, http:Q_21919339.html, http:Q_21919349.html, http:Q_21919357.html ...
Are these riddles or pure math?

M :o)
LVL 37

Expert Comment

by:Harisha M G
ID: 17161300
> Are these riddles or pure math?

Neither.. they are puzzles ;-)

BTW.. where did you find those sequences ? Google ?
Ready to trade in that old firewall?

Whether you need to trade-up to a shiny new Firebox or just ready to upgrade from whatever appliance you're using now, WatchGuard has the right appliance for you! Find your perfect Firebox today with appliance sizing tool!

LVL 62

Expert Comment

by:☠ MASQ ☠
ID: 17161313
>>Google ?
Aww I'm hurt - that's where I get all my tech solutions ;)
(I have a pure math qualification & both of these are well known - 'B' I know by heart - yes, afraid so!)
Have checked though and they are on Google too.

Miss those wordy riddles - perhaps I will have to try to make something up ...
LVL 37

Expert Comment

by:Harisha M G
ID: 17161317
LOL Don't get hurt :D

I asked because you didn't give the way to find the solution.. you just gave the sequence
LVL 84

Assisted Solution

ozo earned 50 total points
ID: 17161933
A) a(n) = (a(n-1)+1)*a(n-2)
B) a(n) = a(n-1)^2 - a(n-2)^2

Author Comment

ID: 17162424
I wish Google Uncle would be there in my exam

Featured Post

Free Tool: Subnet Calculator

The subnet calculator helps you design networks by taking an IP address and network mask and returning information such as network, broadcast address, and host range.

One of a set of tools we're offering as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

A look at what happened in the Verizon cloud breach.
This article outlines the struggles that Macs encounter in Windows-dominated workplace environments – and what Mac users can do to improve their network connectivity and remain productive.
In this video, viewers are given an introduction to using the Windows 10 Snipping Tool, how to quickly locate it when it's needed and also how make it always available with a single click of a mouse button, by pinning it to the Desktop Task Bar. Int…
Michael from AdRem Software explains how to view the most utilized and worst performing nodes in your network, by accessing the Top Charts view in NetCrunch network monitor ( Top Charts is a view in which you can set seve…

623 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question